Searching for 50.72.172.207.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for 50.72.172.207.in-addr.arpa. PTR record at e.in-addr-servers.arpa. [203.119.86.101] ...took 298 ms
Searching for 50.72.172.207.in-addr.arpa. PTR record at e.in-addr-servers.arpa. [203.119.86.101] ...took 298 ms
Searching for u.arin.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for u.arin.net. A record at l.gtld-servers.net. [192.41.162.30] ...took 12 ms
Searching for u.arin.net. A record at ns1.arin.net. [199.212.0.108] ...took 93 ms
Searching for 50.72.172.207.in-addr.arpa. PTR record at u.arin.net. [204.61.216.50]
...took 6 msSearching for u.arin.net. A record at l.gtld-servers.net. [192.41.162.30] ...took 12 ms
Searching for u.arin.net. A record at ns1.arin.net. [199.212.0.108] ...took 93 ms
Searching for auth1.dns.rcn.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for auth1.dns.rcn.net. A record at l.gtld-servers.net. [192.41.162.30] ...took 12 ms
Searching for auth1.dns.rcn.net. A record at auth1.dns.rcn.net. [66.44.1.44] ...took 98 ms
Searching for 50.72.172.207.in-addr.arpa. PTR record at auth1.dns.rcn.net. [66.44.1.44]
...took 97 msSearching for auth1.dns.rcn.net. A record at l.gtld-servers.net. [192.41.162.30] ...took 12 ms
Searching for auth1.dns.rcn.net. A record at auth1.dns.rcn.net. [66.44.1.44] ...took 98 ms
Nameserver auth1.dns.rcn.net. reports: No such host 50.72.172.207.in-addr.arpa.
Total elapsed query time: 658 ms