Reverse DNS Lookup for 89.25.81.19

Searching for 19.81.25.89.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33] ...took 14 ms
Searching for 19.81.25.89.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 93 ms

Searching for ns3.lacnic.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33] ...took 14 ms
Searching for ns3.lacnic.net. A record at e.gtld-servers.net. [192.12.94.30] ...took 25 ms
Searching for ns3.lacnic.net. A record at rirns.arin.net. [199.253.249.53] ...took 93 ms

Searching for 19.81.25.89.in-addr.arpa. PTR record at ns3.lacnic.net. [200.3.13.14] ...took 202 ms

Searching for ns.itdnet.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33] ...took 14 ms
Searching for ns.itdnet.net. A record at a.gtld-servers.net. [192.5.6.30] ...took 24 ms
Searching for ns.itdnet.net. A record at ns1.itdnet.net. [212.116.136.2] ...took 30 ms

Searching for 19.81.25.89.in-addr.arpa. PTR record at ns.itdnet.net. [212.116.128.2] ...took 30 ms
SERVFAIL
Searching for 19.81.25.89.in-addr.arpa. PTR record at ns1.itdnet.net. [212.116.136.2] ...took 30 ms
SERVFAIL
Searching for 19.81.25.89.in-addr.arpa. PTR record at ns1.itdnet.net. [212.116.136.2] ...took 30 ms
SERVFAIL
Searching for 19.81.25.89.in-addr.arpa. PTR record at ns.itdnet.net. [212.116.128.2] ...took 31 ms
SERVFAIL

None of the nameservers responded correctly.

Total elapsed query time: 630 ms