Searching for 199.44.51.210.in-addr.arpa. PTR record at D.ROOT-SERVERS.NET. [199.7.91.13]
...took 11 ms
Searching for 199.44.51.210.in-addr.arpa. PTR record at b.in-addr-servers.arpa. [199.253.183.183] ...took 14 ms
Searching for 199.44.51.210.in-addr.arpa. PTR record at b.in-addr-servers.arpa. [199.253.183.183] ...took 14 ms
Searching for ns2.apnic.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for ns2.apnic.net. A record at j.gtld-servers.net. [192.48.79.30] ...took 11 ms
Searching for ns2.apnic.net. A record at ns1.apnic.net. [203.119.42.53] ...took 190 ms
Searching for 199.44.51.210.in-addr.arpa. PTR record at ns2.apnic.net. [203.119.95.53]
...took 5 msSearching for ns2.apnic.net. A record at j.gtld-servers.net. [192.48.79.30] ...took 11 ms
Searching for ns2.apnic.net. A record at ns1.apnic.net. [203.119.42.53] ...took 190 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 19 ms
Searching for ns2.bta.net.cn. A record at ns2.bta.net.cn. [202.106.196.28] ...took 166 ms
Searching for 199.44.51.210.in-addr.arpa. PTR record at ns2.bta.net.cn. [202.106.196.28]
...took 164 msSearching for ns2.bta.net.cn. A record at b.dns.cn. [203.119.26.1] ...took 19 ms
Searching for ns2.bta.net.cn. A record at ns2.bta.net.cn. [202.106.196.28] ...took 166 ms
Searching for dns-lk.sh.cncnet.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for dns-lk.sh.cncnet.net. A record at a.gtld-servers.net. [192.5.6.30] ...took 23 ms
Searching for dns-lk.sh.cncnet.net. A record at ns2.bta.net.cn. [202.106.196.28] ...took 164 ms
Searching for dns-lk.sh.cncnet.net. A record at dns-chj.sh.cncnet.net. [210.22.66.253] ...took 185 ms
Searching for 199.44.51.210.in-addr.arpa. PTR record at dns-lk.sh.cncnet.net. [58.247.118.253]
...took 161 msSearching for dns-lk.sh.cncnet.net. A record at a.gtld-servers.net. [192.5.6.30] ...took 23 ms
Searching for dns-lk.sh.cncnet.net. A record at ns2.bta.net.cn. [202.106.196.28] ...took 164 ms
Searching for dns-lk.sh.cncnet.net. A record at dns-chj.sh.cncnet.net. [210.22.66.253] ...took 185 ms
Nameserver dns-lk.sh.cncnet.net. reports: No such host 199.44.51.210.in-addr.arpa.
Total elapsed query time: 1,152 ms