a domain name pointer
Quick facts
Purpose
a domain name pointer
PTR is one of the DNS resource record (RR) types defined by RFC 1035.
Example
4.3.2.1.in-addr.arpa. 3600 IN PTR host.example.com.
Related record types
Common uses
Common services
Frequently asked questions
Reverse DNS lookups, Anti-spam verification
In the DNS management panel of your registrar or DNS provider (for example Cloudflare or Route53).
Sources & standards
Updated 2026-09-13
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