/Email deliverability/Reverse DNS (PTR)

Reverse DNS (PTR)

Look up the PTR record for an IP and check that it forward-confirms.

dns › PTR
IP address or mail host
Tip — type a command to jump tools:ptr:198.51.100.7
Try one
What this checks
01Reversing the IP
02Querying PTR record
03Resolving the hostname
04Forward-confirming (FCrDNS)