Searching for 143.115.252.91.in-addr.arpa. PTR record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 40 ms
Searching for 143.115.252.91.in-addr.arpa. PTR record at e.in-addr-servers.arpa. [203.119.86.101] ...took 276 ms
Searching for 143.115.252.91.in-addr.arpa. PTR record at e.in-addr-servers.arpa. [203.119.86.101] ...took 276 ms
Searching for ns4.apnic.net. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 40 ms
Searching for ns4.apnic.net. A record at f.gtld-servers.net. [192.35.51.30] ...took 7 ms
Searching for ns4.apnic.net. A record at ns2.apnic.net. [203.119.95.53] ...took 129 ms
Searching for 143.115.252.91.in-addr.arpa. PTR record at ns4.apnic.net. [202.12.31.53]
...took 16 msSearching for ns4.apnic.net. A record at f.gtld-servers.net. [192.35.51.30] ...took 7 ms
Searching for ns4.apnic.net. A record at ns2.apnic.net. [203.119.95.53] ...took 129 ms
Nameserver ns4.apnic.net. reports: No such host 143.115.252.91.in-addr.arpa.
Total elapsed query time: 508 ms