Searching for 151.225.7.179.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for 151.225.7.179.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 193 ms
Searching for 151.225.7.179.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 193 ms
Nameserver d.in-addr-servers.arpa. reports: No such host 151.225.7.179.in-addr.arpa.
Total elapsed query time: 208 ms