Searching for 151.225.7.179.in-addr.arpa. PTR record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 39 ms
Searching for 151.225.7.179.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 117 ms
Searching for 151.225.7.179.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 117 ms
Nameserver d.in-addr-servers.arpa. reports: No such host 151.225.7.179.in-addr.arpa.
Total elapsed query time: 156 ms