Searching for 143.115.252.91.in-addr.arpa. PTR record at F.ROOT-SERVERS.NET. [192.5.5.241]
...took 7 ms
Searching for 143.115.252.91.in-addr.arpa. PTR record at c.in-addr-servers.arpa. [196.216.169.10] ...took 201 ms
Searching for 143.115.252.91.in-addr.arpa. PTR record at c.in-addr-servers.arpa. [196.216.169.10] ...took 201 ms
Searching for ns4.apnic.net. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 34 ms
Searching for ns4.apnic.net. A record at k.gtld-servers.net. [192.52.178.30] ...took 12 ms
Searching for ns4.apnic.net. A record at apnic.authdns.ripe.net. [193.0.9.9] ...took 11 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 k.gtld-servers.net. [192.52.178.30] ...took 12 ms
Searching for ns4.apnic.net. A record at apnic.authdns.ripe.net. [193.0.9.9] ...took 11 ms
Nameserver ns4.apnic.net. reports: No such host 143.115.252.91.in-addr.arpa.
Total elapsed query time: 281 ms