Searching for 172.113.220.37.in-addr.arpa. PTR record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 6 ms
Searching for 172.113.220.37.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 12 ms
Searching for 172.113.220.37.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 12 ms
Searching for ns4.apnic.net. A record at L.ROOT-SERVERS.NET. [199.7.83.42]
...took 10 ms
Searching for ns4.apnic.net. A record at c.gtld-servers.net. [192.26.92.30] ...took 23 ms
Searching for ns4.apnic.net. A record at apnic.authdns.ripe.net. [193.0.9.9] ...took 12 ms
Searching for 172.113.220.37.in-addr.arpa. PTR record at ns4.apnic.net. [202.12.31.53]
...took 16 msSearching for ns4.apnic.net. A record at c.gtld-servers.net. [192.26.92.30] ...took 23 ms
Searching for ns4.apnic.net. A record at apnic.authdns.ripe.net. [193.0.9.9] ...took 12 ms
Nameserver ns4.apnic.net. reports: No such host 172.113.220.37.in-addr.arpa.
Total elapsed query time: 79 ms