Searching for 121.79.49.59.in-addr.arpa. PTR record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 11 ms
Searching for 121.79.49.59.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 12 ms
Searching for 121.79.49.59.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 12 ms
Searching for rirns.arin.net. A record at B.ROOT-SERVERS.NET. [192.228.79.201]
...took 63 ms
Searching for rirns.arin.net. A record at i.gtld-servers.net. [192.43.172.30] ...took 6 ms
Searching for rirns.arin.net. A record at ns1.arin.net. [199.212.0.108] ...took 93 ms
Searching for 121.79.49.59.in-addr.arpa. PTR record at rirns.arin.net. [199.253.249.53]
...took 156 msSearching for rirns.arin.net. A record at i.gtld-servers.net. [192.43.172.30] ...took 6 ms
Searching for rirns.arin.net. A record at ns1.arin.net. [199.212.0.108] ...took 93 ms
Searching for dns2.ctnt.com.cn. A record at D.ROOT-SERVERS.NET. [199.7.91.13]
...took 12 ms
Searching for dns2.ctnt.com.cn. A record at e.dns.cn. [203.119.29.1] ...took 22 ms
Searching for dns2.ctnt.com.cn. A record at dns1.ctnt.com.cn. [219.150.32.142] ...took 233 ms
Searching for 121.79.49.59.in-addr.arpa. PTR record at dns2.ctnt.com.cn. [123.150.150.151]
...took 233 msSearching for dns2.ctnt.com.cn. A record at e.dns.cn. [203.119.29.1] ...took 22 ms
Searching for dns2.ctnt.com.cn. A record at dns1.ctnt.com.cn. [219.150.32.142] ...took 233 ms
Nameserver dns2.ctnt.com.cn. reports: No such host 121.79.49.59.in-addr.arpa.
Total elapsed query time: 841 ms