4.3 Using the iManager Utility to Configure DNS

This section provides information about configuring DNS objects and importing and exporting database information using the iManager utility.

4.3.1 Scope Settings

For better performance results with the iManager utility, particularly in a distributed DNS/DHCP setup, you should configure the DNS/DHCP scope settings for the session before you proceed with other administrative tasks.

If you do not configure the DNS/DHCP scope settings for the session, you will receive a warning before every task you attempt to perform indicating that the scope settings are not set. However, you can still proceed with the task.

Setting the scope of the DNS/DHCP services requires two specifications for the session: the Novell® eDirectory™ context of the Locator object and the administrative scope of the session. Specifying the eDirectory context of the Locator object at the start of the session significantly improves performance because it eliminates the need to search for the Locator object. Specifying the administrative scope of the session also improves performance significantly because it restricts the retrieval of DNS/DHCP objects for viewing to the scope you specify.

When you configure the DNS/DHCP scope settings for a session, they only last as long as the session lasts. If you start a new session, you must configure the DNS/DHCP Scope Settings again.

IMPORTANT:If you configure DNS/DHCP Scope Settings for a session for either DNS or DHCP, the settings apply across the session to both roles.

To configure DNS/DHCP scope settings:

  1. Click DNS or DHCP > DNS/DHCP Scope Settings to open the DNS/DHCP Scope Settings window.

  2. Specify the eDirectory context of the DNS/DHCP Locator object or browse to select it.

  3. Specify the eDirectory context of the container object that will provide the administrative scope of the current session.

    If you specify only the eDirectory context of the DNS/DHCP Locator object and not the administrative scope of the current session, you can proceed with administrative tasks without receiving a warning message. However, performance is further optimized if you also define the administrative scope.

  4. Click OK.

  5. Click Repeat Task to configure the scope settings again.

    A message indicates that the scope request was successful.

4.3.2 DNS Prerequisites

Ensure that you have met the following prerequisites prior to setting up DNS:

  • Install NetWare 6.5 on the selected servers.
  • Install Novell iManager.
  • Install Internet Explorer 5.5 Support Pack 2, or Internet Explorer 6.0 on a Windows client.

4.3.3 DNS Server Management

The DNS Server Management role consists of the following tasks:

Creating a DNS Server Object

Use the iManager utility to create and set up a DNS server object for each DNS server you plan to operate.

  1. Click DNS > DNS Server Management to open the DNS Server Management window in the main panel.

  2. From the drop-down menu, select Create Server and click OK to open the Create DNS Server window.

  3. Type the NCP™ server name or browse to select an NCP server from the eDirectory tree.

  4. Specify a unique hostname for the DNS server object.

  5. Specify a domain name for the server object.

  6. Click Create.

    A message indicates that the new DNS server was created.

Viewing or Modifying a DNS Server Object

After you create a DNS server object, you can modify its configuration parameters.

  1. Click DNS > DNS Server Management to open the DNS Server Management window in the main panel.

  2. From the drop-down menu, select View/Modify Server and click OK to open the View/Modify Server window.

  3. Select the DNS Server from the drop-down list, then click OK.

You are led through a set of steps that allow you to view and modify the following DNS server configuration parameters:

  • List of Zones: Lists the names of the zones that the server manages along with the roles of this server for each of the zones. This field cannot be edited.

  • DNS Server IP Address: Contains the IP addresses on which the DNS server listens for queries. This field cannot be edited.

  • DNS Server Domain name: Lists the domain name of the DNS server.

  • DNS Server Comments: You can add your comments about the DNS server in this box. This parameter is optional.

  • Forward List: Specifies a list of IP addresses of DNS servers to which unresolved queries will be forwarded.

    • To add servers to the Forward List, click Add, specify the IP address of the server, then click Add again.
    • To remove servers from the Forward List, select the IP address of the server from the Forward List, then click Delete.
  • No-Forward List: Specifies a list of domain names whose unresolved queries will not be forwarded to other DNS servers.

    • To add domain names to the No-Forward List, click Add, specify the domain name of the server, then click OK.
    • To remove domain names from the Forward List, select the domain name from the No-Forward List, then click Delete.
  • First: Controls the behavior of queries for which the server is not authoritative and the answers do not exist in the cache. Values can be either First or Only. The default is First. If you specify the value as First, the server will query the forwarders list first and, if the answer is not found, the server will search for the answer.

  • Only: Controls the behavior of queries for which the server is not authoritative and the answers do not exist in the cache. Values can be either First or Only. If you specify the value as Only, the server will query only the forwarders list..

  • Events Log: Specifies the degree of event data the server should collect. Major or critical events denote a significant change in the state of server processing. To configure the event log, select from the following options:

    • None: Turns off event logging (default)
    • Major Events: Logs only the critical events
    • All: Logs both major and minor events
  • Audit Log: Check Enable Audit Trail Log to log audit trails and events.

  • SNMP Traps Option: SNMP traps are generated for various events depending on the configuration for this option.

    You can select from the following options:

    • None: Turns off the SNMP traps generation (default)
    • Major Events: Generates SNMP traps only for critical events
    • All: Generates SNMP traps for both major and minor events
  • Allow Recursion: Specifies a list of IP addresses or networks that can submit recursive DNS queries. If you want to disable recursion, specify a value of None.

    To add the address match list element:

    • Click Add
    • Specify the IP address and the mask length.

      The network number is optional.

    • If you want to add a generic option, check the Predefined match-list to select from the available options in the drop-down list.
    • Click OK.

    To delete the address match list element, select the item to be deleted, then click Delete.

  • Query Filter: Specifies a list of IP addresses or networks that are authorized to query the DNS server. If no IP address is specified, queries are allowed from all hosts.

    To add the address match list element:

    • Click Add
    • Specify the IP address and the mask length.

      The network number is optional.

    • If you want to add a generic option, check the Predefined match-list to select from the available options in the drop-down list.
    • Click OK.

    To delete the address match list element, select the item to be deleted, then click Delete.

  • Zone Out Filter: Specifies a list of IP addresses or networks that are authorized to perform zone transfer from the DNS server.

    To add the address match list element:

    • Click Add
    • Specify the IP address and the mask length.

      The network number is optional.

    • If you want to add a generic option, check the Predefined match-list to select from the available options in the drop-down list.
    • Click OK.

    To delete the address match list element, select the item to be deleted, then click Delete.

  • Also Notify: Specifies a list of IP addresses of name servers that receive Notify messages, when a fresh copy of the zone is loaded.

    To add the IP address, Click Add, specify the IP address, then click OK.

    To delete the IP address, select the IP address you want to delete, then click Delete.

  • Blacklist Server: Specifies a list of IP addresses of servers that are not approved. The DNS server will not answer queries from or forward queries to the servers listed.

    To add the IP address, click Add, specify the IP address, then click OK.

    To delete the IP address, select the IP address you want to delete, then click Delete.

  • Maximum Cache Size: Specifies the maximum amount of memory in kilobytes that the server can use as cache.

  • Maximum Recursion Lookups: Specifies the maximum number of simultaneous recursive lookups the server performs on behalf of the clients.

  • Current set of Additional Options: Specifies the additional global server and zone options. To view the options, click Modify to open the View/Modify Server window.

    • To add an available additional option, select the option and click Add.
    • To add all available additional options, click Add All.
    • To remove an available additional option, select the option and click Remove.
    • To remove all available additional options, click Remove All.
    • To delete all option names in the list, click the top-level check box, then click Delete.
    • To remove one or more option names, click the check box next to it, then click Delete.

Deleting a DNS Server

  1. Click DNS > DNS Server Management to open the DNS Server Management window in the main panel.

  2. From the drop-down menu, select Delete Server and click OK to open the Delete DNS Server window.

    • To remove all DNS servers in the list, click the top-level check box and click Delete.
    • To remove one or more DNS servers, click the check box next to it and click Delete.

Starting or Stopping a DNS Server

The DNS server (named.nlm) must be loaded before you can start or stop the server activity.

The Start/Stop service can be used to load zone data along with the modified configuration without unloading and reloading the DNS server. When you stop the DNS server using this option, it will still be loaded in the memory. However, no services are provided. You can use the iManager Management utility or the Java-Based Management Console to update the zone data. When you restart the DNS server using this option, the server is reconfigured with the new configuration settings and the zone data is also reloaded.

This option can also be used to remotely start and stop the DNS server.

  1. Click DNS > DNS Server Management to open the DNS Server Management window in the main panel.

  2. From the drop-down menu, select Start/Stop Server and click OK to open the Start/Stop Server window.

  3. Select the DNS server.

  4. Click OK.

  5. Depending on the state of the DNS server module, one of the following will appear:

    • Failure notification message: This appears if the DNS server module (named.nlm) is not loaded. In order to start the server, load the DNS server module through the system console.
    • Start button: If the DNS server module is loaded but is in Stop mode, click the button to start the DNS server.
    • Stop button: If the DNS server module is loaded but is in Start mode, click the button to stop the DNS server.

Loading or Unloading a DNS Server

  1. Click DNS > DNS Server Management to open the DNS Server Management window in the main panel.

  2. From the drop-down menu, select Load/Unload Server and then click OK to open the Load/Unload Server window.

  3. Select the DNS server and specify the port number that the DNS server is configured on.

    The port is required to check whether the DNS Server is running or not. By default, port 53 is used if no other port number is specified.

  4. Click OK.

    Depending on the state and the version of the DNS Server, one of the following appears:

    • If the NLM™ is not loaded on the machine, you are prompted to load named.

      Based on the DNS Server version that is selected, the supported command line options are displayed.

      • Enter the command line options to load the NLM with, then click Load.
    • If the NLM is already loaded on the machine, you are prompted to unload named.

      To unload the NLM, click Unload.

  5. Click OK to complete the task.

When you click Load or Unload the corresponding command is sent to the server. The success status in iManager indicates only that the command was issued to the server. This does not necessarily mean that the command execution was successful.

Moving a DNS Server

This task enables you to move DNS Services from one NCP server to another NCP server. You can also convert a DNS server into a cluster-enabled DNS server by moving it to a virtual NCP server.

This feature is supported for DNS servers running on NetWare 6.5 or later.

To move a DNS server:

  1. Click DNS > DNS Server Management to open the DNS Server Management window in the main panel.

  2. From the drop-down menu, select Move DNS Server and click OK to open the Move DNS Server window.

  3. Select the DNS Server name from the drop-down list.

    DNS servers prior to NetWare 6.5 will not be available in this list.

  4. Enter the name of the NCP Server that the DNS Services will be moved to or use the Object Selector icon to browse and select it.

  5. Click Move.

Configuring DNS Auditing

To configure a DNS server to audit activities:

  1. Click DNS > DNS Server Management to open the DNS Server Management window in the main panel.

  2. From the drop-down menu, select View/Modify Server and click OK to open the View/Modify Server window.

  3. Select the DNS Server from the drop-down menu.

  4. Click OK.

  5. Click Next three times, then select Major Events or All under Event Log.

  6. Click the Enable Audit Trail Log check box.

  7. Click Next.

  8. Click Done.

Viewing the DNS Audit Trail Log

To view the audit trail log, csatpxy.nlm must be running on the server.

  1. Click DNS > DNS Server Management to open the DNS Server Management window in the main panel.

  2. From the drop-down menu, select Audit Trail Log and click OK to open the DNS Audit Trail Log window.

  3. Select the server from the DNS Server drop-down menu.

  4. If you want to filter the Audit Period, modify the starting and ending dates in the appropriate fields.

    The following date format is accepted:

    • mm-dd-yyyy
  5. Click OK.

    This opens the DNS Audit Trail Log table, which lists the following data:

    • Entry Time: Date and time the event occurred
    • Type: Type of event
    • IP Address: IP address at which the event occurred
    • Domain Name: Domain Name at which the event occurred
  6. To define a view filter on the Audit Trail Log, click the Display Options button.

    You can now filter events on the following parameters:

    • Start Date: Sets a start date for monitoring the DNS audit trail.
    • End Date: Sets an end date for monitoring the DNS audit trail.
    • Agent Ready: The SNMP (Simple Network Mail Protocol) agent is ready to receive or transmit requests.
    • Query Received: The DNS server acknowledges the receipt of a query by making an entry in the log file.
    • Query Forwarded: The DNS server forwards a query to a client or from another DNS server.
    • Response Received: The DNS server responds to a query from a client or another DNS server.

Saving the DNS Audit Trail Log

  1. Click DNS > DNS Server Management to open the DNS Server Management window in the main panel.

  2. From the drop-down menu, select Audit Trail Log and click OK to open the DNS Audit Trail Log window, then click Next.

  3. Click the Click here to Download File link, then save the audit trail log file on your local machine.

Viewing the DNS Event Log

To view the event log, csatpxy must be running on the server.

  1. Click DNS > DNS Server Management to open the DNS Server Management window in the main panel.

  2. From the drop-down menu, select Event Log and click OK to open the DNS Event - Events Log window.

  3. Select the server from the DNS Server drop-down menu.

  4. If you want to filter the Audit Period, modify the start and end dates in the appropriate fields.

    The following date format is accepted:

    mm-dd-yyyy

  5. Click OK.

    This opens the DNS Event Log table, which lists the following data:

    • Entry Time: Date and time the event occurred
    • Severity: Severity of the event - critical, major, warning, and informational
    • State: State of the server - operational, degraded, and inoperative
    • Description: Description of the event that occurred
  6. To define a view filter on the DNS Event Log, click the Display Options button.

    You can now filter events on the following parameters:

    • Start and end date settings regulate the time recorded by the event logger.
    • Severity options define which event levels are recorded: critical, major, warning, and informational.
    • State settings define the condition of events recorded: operational, degraded, and inoperative.

Saving the DNS Event Log

  1. Click DNS > DNS Server Management to open the DNS Server Management window in the main panel.

  2. From the drop-down menu, select Event Log and click OK to open the DNS Event - Events Log window, then click Next.

  3. Click the Click here to Download File link, then save the Event Log file on your local machine.

4.3.4 Zone Management

The DNS Zone object is an eDirectory container object that comprises Resource Record Set (RRSet) objects and resource records.

Creating a Forward Zone Object

Creating a Primary Forward Zone
  1. Click DNS > Zone Management to open the Zone Management window in the main panel.

  2. From the drop-down menu, select Create Zone and click OK to open the Create DNS Zone window.

  3. Select Create New Zone.

  4. Specify the eDirectory context for the zone or browse to select it.

  5. Specify a name for the zone object.

  6. Under the Zone Type, select Primary (default).

  7. Select a DNS server from the Assigned Authoritative DNS Server drop-down menu.

    or

    Specify a unique hostname in the Name Server Host Name box and, optionally select a domain from the Domain drop-down menu.

  8. Click OK.

  9. Click Create.

    A message indicates that the new primary zone has been created.

Creating a Secondary Forward Zone
  1. Click DNS > Zone Management to open the Zone Management window in the main panel.

  2. From the drop-down menu, select Create Zone, then click OK to open the Create DNS Zone window.

  3. Select Create New Zone.

  4. Specify the eDirectory context for the zone or browse to select it.

  5. Specify a name for the zone object.

  6. Under the Zone Type, select Secondary.

  7. Specify the IP address of the DNS server that will provide zone out transfers for this secondary zone.

  8. Select a DNS server from the Assigned Authoritative DNS Server drop-down menu. This parameter is optional.

    or

    Specify a unique hostname in the Name Server Host Name box and optionally, select a domain from the Domain drop-down menu, then click OK.

  9. Click Create.

    A message indicates that the new secondary zone has been created.

Creating a Forward Zone
  1. Click DNS > Zone Management to open the Zone Management window in the main panel.

  2. From the drop-down menu, select Create Zone, then click OK to open the Create DNS Zone window.

  3. Select Create New Zone.

  4. Specify the eDirectory context for the zone or browse to select it.

  5. Specify a name for the zone object.

  6. Under the Zone Type, select Forward.

  7. Select a DNS server from the Assigned Authoritative DNS Server drop-down menu. This parameter is optional.

    or

    Specify a unique hostname in the Name Server Host Name box and optionally, select a domain from the Domain drop-down menu, then click OK.

  8. Click Create.

    A message indicates that the new forward zone has been created.

Creating an IN-ADDR.ARPA Object

Creating a Primary IN-ADDR.ARPA Zone
  1. Click DNS > Zone Management to open the Zone Management window in the main panel.

  2. From the drop-down menu, select Create Zone and click OK to open the Create DNS Zone window.

  3. Select Create IN-ADDR.ARPA.

  4. Specify the eDirectory context for the zone or browse to select it.

  5. Specify the network address of the zone in the Network Address field.

    For example, specify 143.72.155 only for 155.72.143.IN-ADDR.ARPA.

    The IN-ADDR.ARPA zone name is displayed in the Zone Domain Name field.

  6. Under the Zone Type, select Primary (default).

  7. Select a DNS server from the Assigned Authoritative DNS Server drop-down menu.

    or

    Specify a unique hostname in the Name Server Host Name box and, optionally, specify a domain name or select it from the Domain drop-down menu.

  8. Click Create.

    A message indicates that the new Primary IN-ADDR.ARPA Zone object has been created.

Creating a Secondary IN-ADDR.ARPA Zone
  1. Click DNS > Zone Management to open the Zone Management window in the main panel.

  2. From the drop-down menu, select Create Zone, then click OK to open the Create DNS Zone window.

  3. Select Create IN-ADDR.ARPA.

  4. Specify the eDirectory context for the zone or browse to select it.

  5. Specify the network address in the Network Address field.

    The IN-ADDR.ARPA zone name is displayed in the Zone Domain Name field.

  6. Under the Zone Type, select Secondary.

  7. Select a DNS server from the Assigned Authoritative DNS Server drop-down menu.

    or

    Specify a unique hostname in the Name Server Host Name box and, optionally, specify a domain name or select it from the Domain drop-down menu.

  8. Type the IP address of the DNS server that will provide zone-out transfers for this secondary zone.

  9. Click Create.

    A message indicates that the new Secondary IN-ADDR.ARPA Zone object has been created.

Creating a Forward IN-ADDR.ARPA zone
  1. Click DNS > Zone Management to open the Zone Management window in the main panel.

  2. From the drop-down menu, select Create Zone, then click OK to open the Create DNS Zone window.

  3. Select Create IN-ADDR.ARPA.

  4. Specify the eDirectory context for the zone or browse to select it.

  5. Specify the network address in the Network Address field.

    The IN-ADDR.ARPA zone name is displayed in the Zone Domain Name field.

  6. Under the Zone Type, select Forward.

  7. Select a DNS server from the Assigned Authoritative DNS Server drop-down menu.

    or

    Specify a unique hostname in the Name Server Host Name box and by clicking on Add and selecting a domain name from the pop-up window.

  8. Click Create.

    A message indicates that the new Secondary IN-ADDR.ARPA Zone object has been created.

Viewing or Modifying a Zone Object

After you have created a Zone object, you can modify it and provide more detailed configuration information.

  1. Click DNS > Zone Management to open the Zone Management window in the main panel.

  2. From the drop-down menu, select View/Modify Zone and click OK to open the View/Modify Zone window.

  3. Select the DNS Zone object from the drop-down menu.

  4. Click OK.

You can now modify the following DNS Zone configuration parameters:

  • Zone Type: Specifies whether the zone is a primary, secondary or forward zone.

    NOTE:It is not possible to change the zone type from primary/secondary to forward and vice versa

  • Zone Master IP Address: If the zone type is secondary, specify the IP address of the master server for this zone.
  • Forwarder : Controls the behavior of queries for which the server is not authoritative and the answers do not exist in the cache. Values can be either First or Only. The default is First. If you specify the value as First, the server queries the forwarders list first, and if the answer is not found, the server searches for the answer. If you specify the value as Only, the server queries only the forwarders list.
  • Available DNS Servers: Lists the available DNS Servers that are not assigned to this zone. Authoritative DNS Servers: Lists all authoritative servers for this zone.
    • Add All: Select this option to assign all available DNS servers to a zone.
    • Remove All: Select this option to remove all authoritative DNS servers from a zone.
  • Designated DNS Server: The DNS Server selected in this field acts as a designated primary or designated secondary server depending on whether the zone type is primary or secondary.
  • Comments: You can provide information about the zone in this field. This parameter is optional.
  • Forward List : Specifies a list of DNS servers to which unresolved queries are sent.
  • Modify Zone Out Filter: Specifies a list of IP addresses or networks authorized to perform zone transfers for this zone from the DNS server managing it.
  • Zone Master: Specifies the domain name of the master DNS Server.
  • E-mail Address: Specifies the e-mail address (with'@' replaced by'.') of the person responsible for this zone.
  • Serial Number: Use this field to set a version number for the Start of Authority.
  • Interval values: Select from the following values:
    • Refresh: Specifies the time in which the secondary name server transfers a copy of the zone data to the primary name server. The default is 180 minutes.
    • Retry: Specifies the time that a secondary name server waits after a transfer has failed and before it tries to download the zone database again. The default is 60 minutes.
    • Expire: Specifies the time after which a secondary name server will be unable to download a zone database. The default is 168 hours.
    • Minimal TTL: Specifies the minimum TTL for a resource record. This parameter determines the period for which a DNS server retains an address mapping in the cache. The default is 24 hours.

Deleting a Zone Object

  1. Click DNS > Zone Management to open the Zone Management window in the main panel.

  2. From the drop-down menu, select Delete Zone and click OK to open the Delete DNS Zone window.

  3. Select the DNS zones that are to be deleted.

    To delete all the Zone objects in the list, click the top-level check box.

  4. Click Next.

  5. Select the zones whose sub-zones are to be deleted.

    To delete all the sub-zone objects in the list, click the top-level check box.

  6. Click Delete.

Importing a Zone Object

  1. Click DNS > Zone Management to open the Zone Management window in the main panel.

  2. From the drop-down menu, select Import Zone and click OK to open the Import DNS Zone window.

  3. Click Next to select the context where the zone object must be created.

  4. Select a target DNS server distinguished name.

    This server will subsequently manage the zone data.

  5. Under the Zone Type, select either Primary (default) or Secondary.

  6. If you select Secondary as the Zone type, specify the IP address of the zone.

  7. Specify or browse to select the DNS Bind File location.

  8. Click OK.

If the import operation encounters any problems, you can view the error details by downloading the log file. Also, if any of the resource records are ignored because of this problem, you can create them using the task Creating Resource Records.

NOTE:Import of Forward Zone is not supported

Exporting a Zone Object

  1. Click DNS > Zone Management to open the Zone Management window in the main panel.

  2. From the drop-down menu, select Export Zone and click OK to open the Export DNS Zone window.

  3. From the drop-down menu, select the DNS Zone to which the file will be exported.

  4. Click OK.

  5. Click the Click here to download link to open the File Download dialog box.

  6. Select Save this file to disk, then click OK.

  7. Specify the name of the file or browse to select it, then click Save.

  8. Click Done.

NOTE:Export of Forward Zone is not supported

4.3.5 Resource Record Management

An RRSet object represents an individual domain name within a DNS zone. Each RRSet object has one or more resource records beneath it that contain additional information about the domain.

The most common resource records are Address (A) records, which map a domain name to an IP address, and Pointer (PTR) records, which map an IP address to a domain name within an IN-ADDR.ARPA zone.

Creation, Modification, Updation of Resource records is not supported for a Forward Zone

The Resource Record Management role consists of the following tasks:

Creating Resource Records

A resource record is a piece of information about a domain name. Each resource record contains information about a particular piece of data within the domain.

To create a new resource record:

  1. Click DNS > Resource Record Management to open the Resource Record Management window in the main panel.

  2. From the drop-down menu, select Create Resource Record and click OK to open the Create Resource Record window.

  3. From the drop-down menu, select the domain name where the resource record is to be created, then click Create.

    Resource records cannot be created in a secondary zone.

  4. Specify the owner name under which you want to create the resource record or click the Object Selector icon to search for an existing owner name.

    If the owner name is not specified, the resource record is created under "@".

  5. From the Others drop-down menu, select the Resource Record Type (RR Type) from the available options and specify the appropriate resource record data corresponding to the type chosen.

  6. Click Create.

  7. Click OK after the resource record is created.

  8. Click Done to automatically increment the serial number and complete the task.

For more information on Resource Record Types, see Section A.2, Types of Resource Records.

NOTE:Start of Authority (SOA) is defined as part of a Zone object’s attributes. A Pointer (PTR) record is created automatically when any new A resource record is created and if a primary IN-ADDR.ARPA zone exists to which the IP address belongs. Similarly, an A type resource record is created when any new PTR record is created and if a primary zone exists to which the domain name pointed by PTR record belongs.

Viewing or Modifying Resource Records

  1. Click DNS > Resource Record Management to open the Resource Record Management window in the main panel.

  2. Select View/Modify Resource Record from the drop-down menu and click OK to open the Modify RRSet - Resource Record window.

  3. From the Select Domain drop-down menu, select the domain that contains the host or RRSet.

    Resource records cannot be created in a secondary zone.

  4. Specify or search to select the values for the following fields: Host Name, Resource Record, and Resource Record Type.

    To use the search feature to select these values:

    • Click the Object Selector icon to open the Object Selector window.
    • Select the Resource Record type from the drop-down menu, select the number of search results to be displayed per page, click Search, and then click the hostname.

      This automatically fills in the Host Name, Resource Record, and Resource Record Type fields.

  5. Click Modify to modify the resource record data.

  6. Modify the resource record data for all but the following types of resource records:

    A (or IPv4)AAAA (or IPv6)A6

    PTR

  7. Enter new comments or modify existing comments for the resource record data.

  8. Click Done to save the changes.

Deleting Resource Records

You can delete one, more than one, or all resource records and RRSets, using the multi-select deletion feature in the iManager utility.

  1. Click DNS > Resource Record Management to open the Resource Record Management window in the main panel.

  2. From the drop-down menu, select Delete Resource Record and click OK to open the Delete RRSet - Resource Record window.

  3. From the Select Domain drop-down menu, select the domain that contains the host or RRSet.

    Resource records cannot be created in a secondary zone.

  4. Delete either the entire RRSet or one or more resource records in the RRSet.

    To delete one or more hosts or RRSets:

    • To search for RRSets by owner name, specify the name of the RRSet owner.
    • Select the RRSet option from the Search Type drop-down menu.
    • Click Search to list the available RRSets that match the specified owner name.
    • To delete all RRSets listed, click the top-level check box and click Delete. To delete one or more RRSets, click the corresponding check boxes and click Delete.
  5. To delete one or more resource records:

    • To search for a resource record by owner name, specify the name of the Resource Record owner.
    • Select Resource record from the Search Type drop-down menu.
    • Select the resource record type from the RR Type drop-down menu.
    • Click Search to list the available resource records that match the specified owner name.To delete all resource records listed, click the top-level check box and click Delete. To delete one or more resource records, click the corresponding check boxes and click Delete.

NOTE:When the A and PTR type resource records are deleted, the corresponding PTR and A resource records will also be deleted.