PTR lookup

Find all canonical name pointers for a domain name with this online DNS PTR checker. For example, try icloud.com or bbc.com to view their PTR records.

How to lookup PTR records

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PTR records can be configured by the owner of a domain name. They are used to store information in the DNS, which can be looked up by anyone. Each record type has a different purpose.

PTR records are configured in DNS. But how can you look up these PTR records? That depends on the operating system you are using. Windows, Linux and Mac all have a different way of finding PTR records. The sections below contain instructions for each operating system.

Example output of a PTR lookup query

How to lookup PTR records on Windows

To check the PTR records for a certain domain name on Windows, follow these steps:

  1. Open a command prompt by navigating to Start → 'Type here to search' → 'cmd' → Open.Open a command prompt in Windows
  2. Type nslookup -q=PTR example.com and hit [enter] to get the PTR records for example.com.PTR lookup in Windows
  3. The PTR records are listed below the Non-authoritative answer heading.

How to lookup PTR records on Mac OS

To check the PTR records for a certain domain name on a Mac, follow these steps:

  1. Open a terminal by entering [command] + [space] → 'terminal.app' → [enter].Open a terminal on a Mac
  2. Type dig example.com PTR and hit [enter] to get the PTR records for example.com.PTR lookup on a Mac
  3. The PTR records are listed below the ANSWER SECTION heading.

How to lookup PTR records on Linux

To check the PTR records for a certain domain name on Linux, follow these steps:

  1. Open a terminal by entering [Super] → 'terminal' → [enter].Open a terminal in Linux
  2. Type dig example.com PTR and hit [enter] to get the PTR records for example.com.PTR lookup in Linux
  3. The PTR records are listed below the ANSWER SECTION heading.

How to lookup other record types

There are other types of DNS records then just PTR. The most commonly used DNS record types are A, AAAA, CNAME, NS, TXT, MX and SOA. If you'd like to look up all records of these record types, you can do so with nslookup. Click any of the record types below to find DNS records for that specific record type.