Searching for 253.4.248.220.in-addr.arpa. PTR record at D.ROOT-SERVERS.NET. [199.7.91.13]
...took 11 ms
Searching for 253.4.248.220.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 12 ms
Searching for 253.4.248.220.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 12 ms
Searching for ns1.apnic.net. A record at B.ROOT-SERVERS.NET. [192.228.79.201]
...took 57 ms
Searching for ns1.apnic.net. A record at m.gtld-servers.net. [192.55.83.30] ...took 11 ms
Searching for ns1.apnic.net. A record at ns4.apnic.net. [202.12.31.53] ...took 16 ms
Searching for 253.4.248.220.in-addr.arpa. PTR record at ns1.apnic.net. [203.119.42.53]
...took 190 msSearching for ns1.apnic.net. A record at m.gtld-servers.net. [192.55.83.30] ...took 11 ms
Searching for ns1.apnic.net. A record at ns4.apnic.net. [202.12.31.53] ...took 16 ms
Searching for ns.bta.net.cn. A record at D.ROOT-SERVERS.NET. [199.7.91.13]
...took 12 ms
Searching for ns.bta.net.cn. A record at b.dns.cn. [203.119.26.1] ...took 19 ms
Searching for ns.bta.net.cn. A record at ddns.bta.net.cn. [202.106.196.233]
Searching for ns.bta.net.cn. A record at ns.bta.net.cn. [202.96.0.133] ...took 150 ms
Searching for 253.4.248.220.in-addr.arpa. PTR record at ns.bta.net.cn. [202.96.0.133]
...took 170 msSearching for ns.bta.net.cn. A record at b.dns.cn. [203.119.26.1] ...took 19 ms
Searching for ns.bta.net.cn. A record at ddns.bta.net.cn. [202.106.196.233]
Query timed out (interrupted after 2,002 milliseconds)
Retrying...Searching for ns.bta.net.cn. A record at ns.bta.net.cn. [202.96.0.133] ...took 150 ms
Searching for dns-lk.sh.cncnet.net. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 11 ms
Searching for dns-lk.sh.cncnet.net. A record at g.gtld-servers.net. [192.42.93.30] ...took 7 ms
Searching for dns-lk.sh.cncnet.net. A record at ns.bta.net.cn. [202.96.0.133] ...took 150 ms
Searching for dns-lk.sh.cncnet.net. A record at dns-lk.sh.cncnet.net. [58.247.118.253] ...took 182 ms
Searching for 253.4.248.220.in-addr.arpa. PTR record at dns-lk.sh.cncnet.net. [58.247.118.253]
...took 174 msSearching for dns-lk.sh.cncnet.net. A record at g.gtld-servers.net. [192.42.93.30] ...took 7 ms
Searching for dns-lk.sh.cncnet.net. A record at ns.bta.net.cn. [202.96.0.133] ...took 150 ms
Searching for dns-lk.sh.cncnet.net. A record at dns-lk.sh.cncnet.net. [58.247.118.253] ...took 182 ms
Nameserver dns-lk.sh.cncnet.net. reports: No such host 253.4.248.220.in-addr.arpa.
Total elapsed query time: 3,174 ms