Reverse DNS Lookup for 77.244.118.21

Searching for 21.118.244.77.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33] ...took 15 ms
Searching for 21.118.244.77.in-addr.arpa. PTR record at b.in-addr-servers.arpa. [199.253.183.183] ...took 7 ms

Searching for ns4.apnic.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33] ...took 15 ms
Searching for ns4.apnic.net. A record at g.gtld-servers.net. [192.42.93.30] ...took 6 ms
Searching for ns4.apnic.net. A record at ns4.apnic.net. [202.12.31.53] ...took 16 ms

Searching for 21.118.244.77.in-addr.arpa. PTR record at ns4.apnic.net. [202.12.31.53] ...took 16 ms

Searching for ns2.azerfon.az. A record at M.ROOT-SERVERS.NET. [202.12.27.33] ...took 15 ms
Searching for ns2.azerfon.az. A record at az.hostmaster.ua. [195.47.253.13] ...took 32 ms
Searching for ns2.azerfon.az. A record at ns2.azerfon.az. [77.244.112.31] null
Searching for ns2.azerfon.az. A record at ns1.azerfon.az. [77.244.112.13] ...took 71 ms

Searching for 21.118.244.77.in-addr.arpa. PTR record at ns2.azerfon.az. [77.244.112.31] null
Searching for 21.118.244.77.in-addr.arpa. PTR record at ns1.azerfon.az. [77.244.112.13] ...took 72 ms
REFUSED
Searching for 21.118.244.77.in-addr.arpa. PTR record at ns2.azerfon.az. [77.244.112.31] null
Searching for 21.118.244.77.in-addr.arpa. PTR record at ns1.azerfon.az. [77.244.112.13] ...took 72 ms
REFUSED

None of the nameservers responded correctly.

Total elapsed query time: 553 ms