Searching for 54.152.72.194.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 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 M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for ns4.apnic.net. A record at a.gtld-servers.net. [192.5.6.30] ...took 24 ms
Searching for ns4.apnic.net. A record at ns1.apnic.net. [203.119.42.53] ...took 239 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 a.gtld-servers.net. [192.5.6.30] ...took 24 ms
Searching for ns4.apnic.net. A record at ns1.apnic.net. [203.119.42.53] ...took 239 ms
Searching for ns2.bt.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for ns2.bt.net. A record at m.gtld-servers.net. [192.55.83.30] ...took 13 ms
Searching for ns2.bt.net. A record at ns1.bt.net. [217.32.105.91] ...took 29 ms
Searching for 54.152.72.194.in-addr.arpa. PTR record at ns2.bt.net. [217.32.105.90]
...took 29 msSearching for ns2.bt.net. A record at m.gtld-servers.net. [192.55.83.30] ...took 13 ms
Searching for ns2.bt.net. A record at ns1.bt.net. [217.32.105.91] ...took 29 ms
Nameserver ns2.bt.net. reports: No such host 54.152.72.194.in-addr.arpa.
Total elapsed query time: 408 ms