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 186 ms
Searching for 50.72.172.207.in-addr.arpa. PTR record at c.in-addr-servers.arpa. [196.216.169.10] ...took 186 ms
Searching for r.arin.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for r.arin.net. A record at k.gtld-servers.net. [192.52.178.30] ...took 12 ms
Searching for r.arin.net. A record at u.arin.net. [204.61.216.50] ...took 6 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 k.gtld-servers.net. [192.52.178.30] ...took 12 ms
Searching for r.arin.net. A record at u.arin.net. [204.61.216.50] ...took 6 ms
Searching for auth1.dns.rcn.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for auth1.dns.rcn.net. A record at d.gtld-servers.net. [192.31.80.30] ...took 21 ms
Searching for auth1.dns.rcn.net. A record at auth4.dns.rcn.net. [207.172.3.22] ...took 104 ms
Searching for 50.72.172.207.in-addr.arpa. PTR record at auth1.dns.rcn.net. [207.172.3.20]
...took 104 msSearching for auth1.dns.rcn.net. A record at d.gtld-servers.net. [192.31.80.30] ...took 21 ms
Searching for auth1.dns.rcn.net. A record at auth4.dns.rcn.net. [207.172.3.22] ...took 104 ms
Nameserver auth1.dns.rcn.net. reports: No such host 50.72.172.207.in-addr.arpa.
Total elapsed query time: 570 ms