Searching for 242.49.112.202.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for 242.49.112.202.in-addr.arpa. PTR record at c.in-addr-servers.arpa. [196.216.169.10] ...took 170 ms
Searching for 242.49.112.202.in-addr.arpa. PTR record at dns6.edu.cn. [101.4.126.27]
Searching for 242.49.112.202.in-addr.arpa. PTR record at c.in-addr-servers.arpa. [196.216.169.10] ...took 170 ms
Searching for apnic.authdns.ripe.net. A record at D.ROOT-SERVERS.NET. [199.7.91.13]
...took 12 ms
Searching for apnic.authdns.ripe.net. A record at l.gtld-servers.net. [192.41.162.30] ...took 11 ms
Searching for apnic.authdns.ripe.net. A record at ns4.apnic.net. [202.12.31.53] ...took 15 ms
Searching for 242.49.112.202.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 l.gtld-servers.net. [192.41.162.30] ...took 11 ms
Searching for apnic.authdns.ripe.net. A record at ns4.apnic.net. [202.12.31.53] ...took 15 ms
Searching for dns6.edu.cn. A record at D.ROOT-SERVERS.NET. [199.7.91.13]
...took 12 ms
Searching for dns6.edu.cn. A record at c.dns.cn. [203.119.27.1] ...took 27 ms
Searching for dns6.edu.cn. A record at dns2.edu.cn. [202.112.0.13] ...took 229 ms
Searching for 242.49.112.202.in-addr.arpa. PTR record at dns6.edu.cn. [101.4.126.179]
Searching for dns6.edu.cn. A record at c.dns.cn. [203.119.27.1] ...took 27 ms
Searching for ns2.cernet.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for ns2.cernet.net. A record at d.gtld-servers.net. [192.31.80.30] ...took 21 ms
Searching for ns2.cernet.net. A record at dns3.cernet.net. [202.112.0.35] ...took 231 ms
Searching for dns6.edu.cn. A record at ns2.cernet.net. [103.137.60.203]
Searching for ns2.cernet.net. A record at d.gtld-servers.net. [192.31.80.30] ...took 21 ms
Searching for ns2.cernet.net. A record at dns3.cernet.net. [202.112.0.35] ...took 231 ms
Query timed out (interrupted after 2,002 milliseconds)
Retrying...Searching for dns6.edu.cn. A record at dns2.edu.cn. [202.112.0.13] ...took 229 ms
Query timed out (interrupted after 2,002 milliseconds)
Retrying...Searching for 242.49.112.202.in-addr.arpa. PTR record at dns6.edu.cn. [101.4.126.27]
Query timed out (interrupted after 2,001 milliseconds)
Retrying...
Searching for dns5.edu.cn. A record at D.ROOT-SERVERS.NET. [199.7.91.13]
...took 11 ms
Searching for dns5.edu.cn. A record at e.dns.cn. [203.119.29.1] ...took 23 ms
Searching for dns5.edu.cn. A record at ns2.cernet.net. [103.137.60.203] ...took 201 ms
Searching for 242.49.112.202.in-addr.arpa. PTR record at dns5.edu.cn. [166.111.8.30]
...took 205 msSearching for dns5.edu.cn. A record at e.dns.cn. [203.119.29.1] ...took 23 ms
Searching for dns5.edu.cn. A record at ns2.cernet.net. [103.137.60.203] ...took 201 ms
Nameserver dns5.edu.cn. reports: No such host 242.49.112.202.in-addr.arpa.
Total elapsed query time: 7,212 ms