Searching for 37.40.120.123.in-addr.arpa. PTR record at B.ROOT-SERVERS.NET. [192.228.79.201]
...took 25 ms
Searching for 37.40.120.123.in-addr.arpa. PTR record at c.in-addr-servers.arpa. [196.216.169.10] ...took 170 ms
Searching for 37.40.120.123.in-addr.arpa. PTR record at c.in-addr-servers.arpa. [196.216.169.10] ...took 170 ms
Searching for ns2.apnic.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for ns2.apnic.net. A record at i.gtld-servers.net. [192.43.172.30] ...took 7 ms
Searching for ns2.apnic.net. A record at ns2.apnic.net. [203.119.95.53] ...took 5 ms
Searching for 37.40.120.123.in-addr.arpa. PTR record at ns2.apnic.net. [203.119.95.53]
...took 5 msSearching for ns2.apnic.net. A record at i.gtld-servers.net. [192.43.172.30] ...took 7 ms
Searching for ns2.apnic.net. A record at ns2.apnic.net. [203.119.95.53] ...took 5 ms
Searching for ns.bta.net.cn. A record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 12 ms
Searching for ns.bta.net.cn. A record at c.dns.cn. [203.119.27.1] ...took 27 ms
Searching for ns.bta.net.cn. A record at ddns2.bta.net.cn. [202.106.196.234]
Searching for ns.bta.net.cn. A record at ns.bta.net.cn. [202.96.0.133] ...took 153 ms
Searching for 37.40.120.123.in-addr.arpa. PTR record at ns.bta.net.cn. [202.96.0.133]
...took 186 msSearching for ns.bta.net.cn. A record at c.dns.cn. [203.119.27.1] ...took 27 ms
Searching for ns.bta.net.cn. A record at ddns2.bta.net.cn. [202.106.196.234]
Query timed out (interrupted after 2,002 milliseconds)
Retrying...Searching for ns.bta.net.cn. A record at ns.bta.net.cn. [202.96.0.133] ...took 153 ms
Nameserver ns.bta.net.cn. reports: No such host 37.40.120.123.in-addr.arpa.
Total elapsed query time: 2,606 ms