Searching for 173.181.21.68.in-addr.arpa. PTR record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 12 ms
Searching for 173.181.21.68.in-addr.arpa. PTR record at e.in-addr-servers.arpa. [203.119.86.101] ...took 267 ms
Searching for 173.181.21.68.in-addr.arpa. PTR record at e.in-addr-servers.arpa. [203.119.86.101] ...took 267 ms
Searching for u.arin.net. A record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 11 ms
Searching for u.arin.net. A record at f.gtld-servers.net. [192.35.51.30] ...took 5 ms
Searching for u.arin.net. A record at ns1.arin.net. [199.212.0.108] ...took 92 ms
Searching for 173.181.21.68.in-addr.arpa. PTR record at u.arin.net. [204.61.216.50]
...took 11 msSearching for u.arin.net. A record at f.gtld-servers.net. [192.35.51.30] ...took 5 ms
Searching for u.arin.net. A record at ns1.arin.net. [199.212.0.108] ...took 92 ms
Searching for ns2.ameritech.net. A record at D.ROOT-SERVERS.NET. [199.7.91.13]
...took 12 ms
Searching for ns2.ameritech.net. A record at k.gtld-servers.net. [192.52.178.30] ...took 11 ms
Searching for ns2.ameritech.net. A record at a8-64.akam.net. [2.16.40.64] ...took 6 ms
Searching for 173.181.21.68.in-addr.arpa. PTR record at ns2.ameritech.net. [151.164.11.218]
...took 128 msSearching for ns2.ameritech.net. A record at k.gtld-servers.net. [192.52.178.30] ...took 11 ms
Searching for ns2.ameritech.net. A record at a8-64.akam.net. [2.16.40.64] ...took 6 ms
Nameserver ns2.ameritech.net. reports: No such host 173.181.21.68.in-addr.arpa.
Total elapsed query time: 555 ms