Searching for 50.72.172.207.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for 50.72.172.207.in-addr.arpa. PTR record at c.in-addr-servers.arpa. [196.216.169.10] ...took 184 ms
Searching for 50.72.172.207.in-addr.arpa. PTR record at c.in-addr-servers.arpa. [196.216.169.10] ...took 184 ms
Searching for r.arin.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for r.arin.net. A record at c.gtld-servers.net. [192.26.92.30] ...took 23 ms
Searching for r.arin.net. A record at ns1.arin.net. [199.212.0.108] ...took 90 ms
Searching for 50.72.172.207.in-addr.arpa. PTR record at r.arin.net. [199.180.180.63]
...took 92 msSearching for r.arin.net. A record at c.gtld-servers.net. [192.26.92.30] ...took 23 ms
Searching for r.arin.net. A record at ns1.arin.net. [199.212.0.108] ...took 90 ms
Searching for auth2.dns.rcn.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for auth2.dns.rcn.net. A record at e.gtld-servers.net. [192.12.94.30] ...took 23 ms
Searching for auth2.dns.rcn.net. A record at auth2.dns.rcn.net. [207.237.14.120] ...took 95 ms
Searching for 50.72.172.207.in-addr.arpa. PTR record at auth2.dns.rcn.net. [207.172.11.14]
...took 103 msSearching for auth2.dns.rcn.net. A record at e.gtld-servers.net. [192.12.94.30] ...took 23 ms
Searching for auth2.dns.rcn.net. A record at auth2.dns.rcn.net. [207.237.14.120] ...took 95 ms
Nameserver auth2.dns.rcn.net. reports: No such host 50.72.172.207.in-addr.arpa.
Total elapsed query time: 653 ms