Searching for 60.250.20.222.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for 60.250.20.222.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 118 ms
Searching for 60.250.20.222.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 118 ms
Searching for ns1.apnic.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for ns1.apnic.net. A record at b.gtld-servers.net. [192.33.14.30] ...took 32 ms
Searching for ns1.apnic.net. A record at ns2.apnic.net. [203.119.95.53] ...took 242 ms
Searching for 60.250.20.222.in-addr.arpa. PTR record at ns1.apnic.net. [203.119.42.53]
...took 166 msSearching for ns1.apnic.net. A record at b.gtld-servers.net. [192.33.14.30] ...took 32 ms
Searching for ns1.apnic.net. A record at ns2.apnic.net. [203.119.95.53] ...took 242 ms
Searching for dns5.edu.cn. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for dns5.edu.cn. A record at b.dns.cn. [203.119.26.1] ...took 24 ms
Searching for 60.250.20.222.in-addr.arpa. PTR record at dns5.edu.cn. [101.4.126.235]
...took 239 msSearching for dns5.edu.cn. A record at b.dns.cn. [203.119.26.1] ...took 24 ms
Searching for ns5.cernet.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for ns5.cernet.net. A record at m.gtld-servers.net. [192.55.83.30] ...took 13 ms
Searching for ns5.cernet.net. A record at dns2.cernet.net. [202.112.0.13] ...took 234 ms
Searching for dns5.edu.cn. A record at ns5.cernet.net. [166.111.8.30]
...took 216 msSearching for ns5.cernet.net. A record at m.gtld-servers.net. [192.55.83.30] ...took 13 ms
Searching for ns5.cernet.net. A record at dns2.cernet.net. [202.112.0.13] ...took 234 ms
Nameserver dns5.edu.cn. reports: No such host 60.250.20.222.in-addr.arpa.
Total elapsed query time: 1,344 ms