Searching for 21.237.108.202.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for 21.237.108.202.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 171 ms
Searching for 21.237.108.202.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 171 ms
Searching for apnic.authdns.ripe.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 13 ms
Searching for apnic.authdns.ripe.net. A record at b.gtld-servers.net. [192.33.14.30] ...took 12 ms
Searching for apnic.authdns.ripe.net. A record at ns4.apnic.net. [202.12.31.53] ...took 16 ms
Searching for 21.237.108.202.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 b.gtld-servers.net. [192.33.14.30] ...took 12 ms
Searching for apnic.authdns.ripe.net. A record at ns4.apnic.net. [202.12.31.53] ...took 16 ms
Searching for ns2.bta.net.cn. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 11 ms
Searching for ns2.bta.net.cn. A record at c.dns.cn. [203.119.27.1] ...took 27 ms
Searching for ns2.bta.net.cn. A record at ns2.bta.net.cn. [202.106.196.28] ...took 182 ms
Searching for 21.237.108.202.in-addr.arpa. PTR record at ns2.bta.net.cn. [202.106.196.28]
...took 171 msSearching for ns2.bta.net.cn. A record at c.dns.cn. [203.119.27.1] ...took 27 ms
Searching for ns2.bta.net.cn. A record at ns2.bta.net.cn. [202.106.196.28] ...took 182 ms
Nameserver ns2.bta.net.cn. reports: No such host 21.237.108.202.in-addr.arpa.
Total elapsed query time: 628 ms