Searching for 135.7.49.61.in-addr.arpa. PTR record at D.ROOT-SERVERS.NET. [199.7.91.13]
...took 12 ms
Searching for 135.7.49.61.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 11 ms
Searching for 135.7.49.61.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 11 ms
Searching for ns1.apnic.net. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 12 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 apnic.authdns.ripe.net. [193.0.9.9] ...took 12 ms
Searching for 135.7.49.61.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 apnic.authdns.ripe.net. [193.0.9.9] ...took 12 ms
Searching for ns.bta.net.cn. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...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 ns2.bta.net.cn. [202.106.196.28] ...took 161 ms
Searching for 135.7.49.61.in-addr.arpa. PTR record at ns.bta.net.cn. [202.96.0.133]
...took 155 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 ns2.bta.net.cn. [202.106.196.28] ...took 161 ms
Nameserver ns.bta.net.cn. reports: No such host 135.7.49.61.in-addr.arpa.
Total elapsed query time: 2,597 ms