Searching for 15.73.117.38.in-addr.arpa. PTR record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 12 ms
Searching for 15.73.117.38.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 175 ms
Searching for 15.73.117.38.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 175 ms
Searching for auth2.dns.cogentco.com. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for auth2.dns.cogentco.com. A record at c.gtld-servers.net. [192.26.92.30] ...took 24 ms
Searching for auth2.dns.cogentco.com. A record at auth1.dns.cogentco.com. [66.28.0.14] ...took 8 ms
Searching for 15.73.117.38.in-addr.arpa. PTR record at auth2.dns.cogentco.com. [66.28.0.30]
...took 9 msSearching for auth2.dns.cogentco.com. A record at c.gtld-servers.net. [192.26.92.30] ...took 24 ms
Searching for auth2.dns.cogentco.com. A record at auth1.dns.cogentco.com. [66.28.0.14] ...took 8 ms
Nameserver auth2.dns.cogentco.com. reports: No such host 15.73.117.38.in-addr.arpa.
Total elapsed query time: 242 ms