Searching for 123.21.125.123.in-addr.arpa. PTR record at B.ROOT-SERVERS.NET. [192.228.79.201]
...took 25 ms
Searching for 123.21.125.123.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 166 ms
Searching for 123.21.125.123.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 166 ms
Searching for apnic.authdns.ripe.net. A record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 12 ms
Searching for apnic.authdns.ripe.net. A record at k.gtld-servers.net. [192.52.178.30] ...took 11 ms
Searching for apnic.authdns.ripe.net. A record at ns3.afrinic.net. [204.61.216.100] ...took 11 ms
Searching for 123.21.125.123.in-addr.arpa. PTR record at apnic.authdns.ripe.net. [193.0.9.9]
...took 11 msSearching for apnic.authdns.ripe.net. A record at k.gtld-servers.net. [192.52.178.30] ...took 11 ms
Searching for apnic.authdns.ripe.net. A record at ns3.afrinic.net. [204.61.216.100] ...took 11 ms
Searching for ns2.bta.net.cn. A record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 11 ms
Searching for ns2.bta.net.cn. A record at b.dns.cn. [203.119.26.1] ...took 18 ms
Searching for ns2.bta.net.cn. A record at ns.bta.net.cn. [202.96.0.133] ...took 152 ms
Searching for 123.21.125.123.in-addr.arpa. PTR record at ns2.bta.net.cn. [202.106.196.28]
...took 168 msSearching for ns2.bta.net.cn. A record at b.dns.cn. [203.119.26.1] ...took 18 ms
Searching for ns2.bta.net.cn. A record at ns.bta.net.cn. [202.96.0.133] ...took 152 ms
Nameserver ns2.bta.net.cn. reports: No such host 123.21.125.123.in-addr.arpa.
Total elapsed query time: 585 ms