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: kellym.directory.utopiamall.com, votersedge.com, cloudsdreams.www.picpickle.com, willbarton.mall.feverauction.com, madtechz.com, art166.games247.us, social-bookmarking-sites-list.net, vikingrepairlosangeles.com, forum.drachenwald.net, artpearl.www.matrimonioeasy.altervista.org, 15130.tradebig.com, wisdomarts.org, michellelegg.freeinfo.2truth.com, s66.sg.live-web-cam.org, sxcom.net

| |


privacy policy