Searching for 172.139.173.220.in-addr.arpa. PTR record at B.ROOT-SERVERS.NET. [192.228.79.201]
...took 25 ms
Searching for 172.139.173.220.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 169 ms
Searching for 172.139.173.220.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 169 ms
Searching for ns2.apnic.net. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 11 ms
Searching for ns2.apnic.net. A record at e.gtld-servers.net. [192.12.94.30] ...took 24 ms
Searching for ns2.apnic.net. A record at apnic.authdns.ripe.net. [193.0.9.9] ...took 11 ms
Searching for 172.139.173.220.in-addr.arpa. PTR record at ns2.apnic.net. [203.119.95.53]
...took 6 msSearching for ns2.apnic.net. A record at e.gtld-servers.net. [192.12.94.30] ...took 24 ms
Searching for ns2.apnic.net. A record at apnic.authdns.ripe.net. [193.0.9.9] ...took 11 ms
Searching for ns.gxnnptt.net.cn. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 11 ms
Searching for ns.gxnnptt.net.cn. A record at b.dns.cn. [203.119.26.1] ...took 19 ms
Searching for ns.gxnnptt.net.cn. A record at ns.gxnnptt.net.cn. [202.103.224.69] ...took 240 ms
Searching for 172.139.173.220.in-addr.arpa. PTR record at ns.gxnnptt.net.cn. [202.103.224.69]
...took 247 msSearching for ns.gxnnptt.net.cn. A record at b.dns.cn. [203.119.26.1] ...took 19 ms
Searching for ns.gxnnptt.net.cn. A record at ns.gxnnptt.net.cn. [202.103.224.69] ...took 240 ms
Nameserver ns.gxnnptt.net.cn. reports: No such host 172.139.173.220.in-addr.arpa.
Total elapsed query time: 763 ms