Searching for 40.227.215.60.in-addr.arpa. PTR record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 11 ms
Searching for 40.227.215.60.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 176 ms
Searching for 40.227.215.60.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 176 ms
Searching for apnic.authdns.ripe.net. A record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 11 ms
Searching for apnic.authdns.ripe.net. A record at f.gtld-servers.net. [192.35.51.30] ...took 6 ms
Searching for apnic.authdns.ripe.net. A record at ns3.afrinic.net. [204.61.216.100] ...took 11 ms
Searching for 40.227.215.60.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 f.gtld-servers.net. [192.35.51.30] ...took 6 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 25 ms
Searching for ns.sdjnptt.net.cn. A record at d.dns.cn. [203.119.28.1] ...took 23 ms
SERVFAIL
Searching for ns.sdjnptt.net.cn. A record at a.dns.cn. [203.119.25.1] ...took 187 ms
Searching for ns.sdjnptt.net.cn. A record at ns.sdjnptt.net.cn. [202.102.128.69] ...took 191 ms
Searching for 40.227.215.60.in-addr.arpa. PTR record at ns.sdjnptt.net.cn. [202.102.128.69]
...took 184 msSearching for ns.sdjnptt.net.cn. A record at d.dns.cn. [203.119.28.1] ...took 23 ms
SERVFAIL
Searching for ns.sdjnptt.net.cn. A record at a.dns.cn. [203.119.25.1] ...took 187 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 40.227.215.60.in-addr.arpa.
Total elapsed query time: 836 ms