Searching for 54.90.0.221.in-addr.arpa. PTR record at D.ROOT-SERVERS.NET. [199.7.91.13]
...took 11 ms
Searching for 54.90.0.221.in-addr.arpa. PTR record at e.in-addr-servers.arpa. [203.119.86.101] ...took 280 ms
Searching for 54.90.0.221.in-addr.arpa. PTR record at e.in-addr-servers.arpa. [203.119.86.101] ...took 280 ms
Searching for apnic.authdns.ripe.net. A record at D.ROOT-SERVERS.NET. [199.7.91.13]
...took 11 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 ns3.afrinic.net. [204.61.216.100] ...took 11 ms
Searching for 54.90.0.221.in-addr.arpa. PTR record at apnic.authdns.ripe.net. [193.0.9.9]
...took 12 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 ns3.afrinic.net. [204.61.216.100] ...took 11 ms
Searching for ns.sdjnptt.net.cn. A record at B.ROOT-SERVERS.NET. [192.228.79.201]
...took 19 ms
Searching for ns.sdjnptt.net.cn. A record at a.dns.cn. [203.119.25.1]
Searching for ns.sdjnptt.net.cn. A record at d.dns.cn. [203.119.28.1] ...took 23 ms
Searching for ns.sdjnptt.net.cn. A record at ns.sdjnptt.net.cn. [202.102.128.69] ...took 191 ms
Searching for 54.90.0.221.in-addr.arpa. PTR record at ns.sdjnptt.net.cn. [202.102.128.69]
...took 190 msSearching for ns.sdjnptt.net.cn. A record at a.dns.cn. [203.119.25.1]
Query timed out (interrupted after 2,002 milliseconds)
Retrying...Searching for ns.sdjnptt.net.cn. A record at d.dns.cn. [203.119.28.1] ...took 23 ms
Searching for ns.sdjnptt.net.cn. A record at ns.sdjnptt.net.cn. [202.102.128.69] ...took 191 ms
Nameserver ns.sdjnptt.net.cn. reports: No such host 54.90.0.221.in-addr.arpa.
Total elapsed query time: 2,762 ms