Searching for 4.172.16.63.in-addr.arpa. PTR record at B.ROOT-SERVERS.NET. [192.228.79.201]
...took 25 ms
Searching for 4.172.16.63.in-addr.arpa. PTR record at b.in-addr-servers.arpa. [199.253.183.183] ...took 15 ms
Searching for 4.172.16.63.in-addr.arpa. PTR record at b.in-addr-servers.arpa. [199.253.183.183] ...took 15 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 d.gtld-servers.net. [192.31.80.30] ...took 24 ms
Searching for u.arin.net. A record at ns3.arin.net. [199.5.26.108] ...took 156 ms
Searching for 4.172.16.63.in-addr.arpa. PTR record at u.arin.net. [204.61.216.50]
...took 11 msSearching for u.arin.net. A record at d.gtld-servers.net. [192.31.80.30] ...took 24 ms
Searching for u.arin.net. A record at ns3.arin.net. [199.5.26.108] ...took 156 ms
Searching for auth40.ns.uu.net. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 11 ms
Searching for auth40.ns.uu.net. A record at e.gtld-servers.net. [192.12.94.30] ...took 22 ms
Searching for auth40.ns.uu.net. A record at auth60.ns.uu.net. [198.6.1.181] ...took 101 ms
Searching for 4.172.16.63.in-addr.arpa. PTR record at auth40.ns.uu.net. [198.6.1.18]
...took 93 msSearching for auth40.ns.uu.net. A record at e.gtld-servers.net. [192.12.94.30] ...took 22 ms
Searching for auth40.ns.uu.net. A record at auth60.ns.uu.net. [198.6.1.181] ...took 101 ms
Nameserver auth40.ns.uu.net. reports: No such host 4.172.16.63.in-addr.arpa.
Total elapsed query time: 472 ms