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How to Create a Reverse DNS Entry or PTR Record

Article Number: KB 394

Product: DNS/Nameservers

Audience: eNom Reseller, eNom Central, Bulk Register, PDQ, TV/CC

Problem

How do I create a reverse DNS entry or PTR record?

Solution

A reverse DNS entry maps an IP address to a hostname, which is often used by mailservers to verify that a mailserver address is allowed to send mail for a particular hostname.

If your domain is using our DNS, then we are providing your domain's forward DNS resolution. However, to set up a reverse DNS entry that will map an IP address to your domain (e.g., 192.168.0.1 > mail.example.com) you will need to contact your IP address provider to create a PTR (pointer) record for your IP address.

We cannot set reverse DNS entries on third-party IP addresses, because we do not control them. Likewise, we do not set custom PTR records on IP addresses that we control, because they are typically shared between multiple hostnames.

More Information

 

Last Updated: October, 2015

 

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