Searching for 7.54.139.45.in-addr.arpa. PTR record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 11 ms
Searching for 7.54.139.45.in-addr.arpa. PTR record at b.in-addr-servers.arpa. [199.253.183.183] ...took 15 ms
Searching for 7.54.139.45.in-addr.arpa. PTR record at b.in-addr-servers.arpa. [199.253.183.183] ...took 15 ms
Searching for z.arin.net. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 11 ms
Searching for z.arin.net. A record at i.gtld-servers.net. [192.43.172.30] ...took 6 ms
Searching for z.arin.net. A record at ns1.arin.net. [199.212.0.108] ...took 89 ms
Searching for 7.54.139.45.in-addr.arpa. PTR record at z.arin.net. [199.180.180.63]
...took 155 msSearching for z.arin.net. A record at i.gtld-servers.net. [192.43.172.30] ...took 6 ms
Searching for z.arin.net. A record at ns1.arin.net. [199.212.0.108] ...took 89 ms
Nameserver z.arin.net. reports: No such host 7.54.139.45.in-addr.arpa.
Total elapsed query time: 287 ms