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

IP/Host:
  Example: 209.85.171.100 or google.com
Domain IP: 208.100.40.200
DNS Server Response: co.nr
Reverse DNS is GOOD for IP address: 208.100.40.200
Direct link: http://www.myiptest.com/staticpages/index.php/Reverse-DNS-Lookup/gwx2.co.nr

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: gwx2.co.nr, gallery.riskaka.com, paintability.cosmomate.com, librarylab.law.harvard.edu, www.times.co.zm, gracey.bradfordlandscaping.com, seorankplus.co.in, freestreamate.com, www.statswebsites.com, khdfshops1141569.yourbetterlifetoday.com, gws.pt, dveri-1106.bronestal.info, hrivet.ivans.me, www.askseo.org, www.vonnibiru.de

| |