Searching for 251.244.94.145.in-addr.arpa. PTR record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 12 ms
Searching for 251.244.94.145.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 179 ms
Searching for 251.244.94.145.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 179 ms
Searching for rirns.arin.net. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 11 ms
Searching for rirns.arin.net. A record at k.gtld-servers.net. [192.52.178.30] ...took 11 ms
Searching for rirns.arin.net. A record at ns1.arin.net. [199.212.0.108] ...took 92 ms
Searching for 251.244.94.145.in-addr.arpa. PTR record at rirns.arin.net. [199.253.249.53]
...took 151 msSearching for rirns.arin.net. A record at k.gtld-servers.net. [192.52.178.30] ...took 11 ms
Searching for rirns.arin.net. A record at ns1.arin.net. [199.212.0.108] ...took 92 ms
Searching for ns1.tudelft.nl. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 11 ms
Searching for ns1.tudelft.nl. A record at ns1.dns.nl. [194.0.28.53] ...took 6 ms
Searching for ns1.tudelft.nl. A record at ns2.tudelft.nl. [130.161.180.65] ...took 14 ms
Searching for 251.244.94.145.in-addr.arpa. PTR record at ns1.tudelft.nl. [130.161.180.1]
...took 14 msSearching for ns1.tudelft.nl. A record at ns1.dns.nl. [194.0.28.53] ...took 6 ms
Searching for ns1.tudelft.nl. A record at ns2.tudelft.nl. [130.161.180.65] ...took 14 ms
Nameserver ns1.tudelft.nl. reports: No such host 251.244.94.145.in-addr.arpa.
Total elapsed query time: 501 ms