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

IP/Host:
  Example: 209.85.171.100 or google.com
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DNS Server Response: 216.239.59.101
Reverse DNS is BAD for IP address: 216.239.59.101
Direct link: http://www.myiptest.com/staticpages/index.php/Reverse-DNS-Lookup/216.239.59.101

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: 216.239.59.101, reneedawson.parkraumplanung.ingenieurbuero-fuer-ve, greece.mrdonn.org, executiveitsolutions.com.au, fashiondesignworld.net, avcool.ggg-av.com, books.google.ba, groups.google.vn, laminarwind.verkehrsgutachten.ingenieurbuero-fuer-, www.lernen-duerfen.com, akkumulyator-vishnevoe.bamper.org, illegal.cp.bbs.proisk.ru, 491.cpuword.com, books.google.com.br, fashionstopshop.tk

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