Reverse DNS Lookup, Test reverse DNS (PTR) by IP address or hostname

IP/Host:
  Example: 209.85.171.100 or google.com
Warning: Invalid IP address or Domain name!

What's Reverse DNS?
Reverse DNS lookups for IPv4 addresses use a reverse IN-ADDR entry in the special domain in-addr.arpa. In the in-addr.arpa domain a sequence of bytes in reverse order represent an IPv4 address, encoded as decimal numbers, separated by dots with the suffix .in-addr.arpa. For example, the reverse lookup domain name corresponding to the IPv4 address 10.12.13.140 is 140.13.12.10.in-addr.arpa. A host name for 1.2.3.4 can be obtained by issuing a DNS query for the PTR record for that special address 4.3.2.1.in-addr.arpa. Read more on wiki


Recent Queries: asaworld.aero, gracey.website-submission.utopiamall.com, famousdeath.www.electronikal.blogspot.com, cornflakes.sourceforge.net, mrbo.tna.xmatch.com, makrodoor.com, 115.149.194.128, rdshaw.forum.utopiamall.com, 211.233.5.246, 211.43.149.64, 117.21.248.114, kartomancja.warmia.pl, ambient.co.za, dachbau-damitz.de, 202.229.115.72

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