Help Center/ Domain Name Service/ User Guide (Paris Region) / Record Sets/ Adding Record Sets/ Adding a PTR Record Set
Updated on 2024-03-14 GMT+08:00
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Adding a PTR Record Set

Scenarios

You can create PTR record sets to map private IP addresses to domain names.

For details about other record set types, see Record Set Types and Configuration Rules.

Constraints

  • You can create PTR record sets only in private zones.
  • PTR record sets can only be added to private zones whose domain name suffix is in-addr.arpa.

    For details about how to create a PTR record for a public domain name, see Creating a PTR Record.

Procedure

  1. Log in to the management console.
  2. In the service list, choose Network > Domain Name Service.

    The DNS console is displayed.

  3. In the navigation pane on the left, choose Private Zones.

    The Private Zones page is displayed.

  4. Click in the upper left corner and select the desired region and project.
  5. Click the domain name.
  6. Click Add Record Set.

    The Add Record Set dialog box is displayed.

  7. Configure the parameters based on Table 1.
    Table 1 Parameters for adding a PTR record set

    Parameter

    Description

    Example Value

    Name

    Name of the PTR record set

    10.1.168

    For example, if the IP address is 192.168.1.10, the domain name in the PTR record is 10.1.168.192.in-addr.arpa.

    • If the private zone is 192.in-addr.arpa, enter 10.1.168 in the box.
    • If the private zone is 1.168.192.in-addr.arpa, enter 10 in the box.

    Type

    Type of the record set

    A message may be displayed indicating that the record set you are trying to add conflicts with an existing record set.

    PTR – Map IP addresses to domains

    TTL (s)

    Cache duration of the record set on a local DNS server, in seconds.

    The value ranges from 1 to 2147483647, and the default is 300.

    If your service address changes frequently, set TTL to a smaller value.

    300

    Value

    Private domain name mapped to the private IP address. You can enter only one domain name.

    host.example.com.

    Description

    (Optional) Supplementary information about the record set.

    You can enter a maximum of 255 characters.

    -
  8. Click OK.
  9. Switch back to the Record Sets tab.

    You can view the added record set in the Normal state.

Related Operations

For more information, see How Can I Map the Private IP Address of an ECS to a Domain Name?

Parent topic: Adding Record Sets