Searching for 54.152.72.194.in-addr.arpa. PTR record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 40 ms
Searching for 54.152.72.194.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 12 ms
Searching for 54.152.72.194.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 K.ROOT-SERVERS.NET. [193.0.14.129]
...took 40 ms
Searching for ns4.apnic.net. A record at e.gtld-servers.net. [192.12.94.30] ...took 25 ms
Searching for ns4.apnic.net. A record at ns1.apnic.net. [203.119.42.53] ...took 226 ms
Searching for 54.152.72.194.in-addr.arpa. PTR record at ns4.apnic.net. [202.12.31.53]
...took 17 msSearching for ns4.apnic.net. A record at e.gtld-servers.net. [192.12.94.30] ...took 25 ms
Searching for ns4.apnic.net. A record at ns1.apnic.net. [203.119.42.53] ...took 226 ms
Searching for ns2.bt.net. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 40 ms
Searching for ns2.bt.net. A record at i.gtld-servers.net. [192.43.172.30] ...took 19 ms
Searching for ns2.bt.net. A record at ns0.bt.net. [217.35.209.188] ...took 27 ms
Searching for 54.152.72.194.in-addr.arpa. PTR record at ns2.bt.net. [217.32.105.90]
...took 30 msSearching for ns2.bt.net. A record at i.gtld-servers.net. [192.43.172.30] ...took 19 ms
Searching for ns2.bt.net. A record at ns0.bt.net. [217.35.209.188] ...took 27 ms
Nameserver ns2.bt.net. reports: No such host 54.152.72.194.in-addr.arpa.
Total elapsed query time: 476 ms