Searching for 120.240.145.81.in-addr.arpa. PTR record at D.ROOT-SERVERS.NET. [199.7.91.13]
...took 11 ms
Searching for 120.240.145.81.in-addr.arpa. PTR record at b.in-addr-servers.arpa. [199.253.183.183] ...took 14 ms
Searching for 120.240.145.81.in-addr.arpa. PTR record at b.in-addr-servers.arpa. [199.253.183.183] ...took 14 ms
Searching for ns4.apnic.net. A record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 11 ms
Searching for ns4.apnic.net. A record at a.gtld-servers.net. [192.5.6.30] ...took 23 ms
Searching for ns4.apnic.net. A record at ns1.apnic.net. [203.119.42.53] ...took 188 ms
Searching for 120.240.145.81.in-addr.arpa. PTR record at ns4.apnic.net. [202.12.31.53]
...took 15 msSearching for ns4.apnic.net. A record at a.gtld-servers.net. [192.5.6.30] ...took 23 ms
Searching for ns4.apnic.net. A record at ns1.apnic.net. [203.119.42.53] ...took 188 ms
Searching for ns0.bt.net. A record at B.ROOT-SERVERS.NET. [192.228.79.201]
...took 64 ms
Searching for ns0.bt.net. A record at e.gtld-servers.net. [192.12.94.30] ...took 23 ms
Searching for ns0.bt.net. A record at ns2.bt.net. [217.32.105.90] ...took 29 ms
Searching for 120.240.145.81.in-addr.arpa. PTR record at ns0.bt.net. [217.35.209.188]
...took 25 msSearching for ns0.bt.net. A record at e.gtld-servers.net. [192.12.94.30] ...took 23 ms
Searching for ns0.bt.net. A record at ns2.bt.net. [217.32.105.90] ...took 29 ms
Nameserver ns0.bt.net. reports: No such host 120.240.145.81.in-addr.arpa.
Total elapsed query time: 403 ms