Searching for 53.0.251.131.in-addr.arpa. PTR record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 12 ms
Searching for 53.0.251.131.in-addr.arpa. PTR record at e.in-addr-servers.arpa. [203.119.86.101] ...took 255 ms
Searching for 53.0.251.131.in-addr.arpa. PTR record at e.in-addr-servers.arpa. [203.119.86.101] ...took 255 ms
Searching for x.arin.net. A record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 11 ms
Searching for x.arin.net. A record at g.gtld-servers.net. [192.42.93.30] ...took 5 ms
Searching for x.arin.net. A record at ns2.arin.net. [199.71.0.108] ...took 147 ms
Searching for 53.0.251.131.in-addr.arpa. PTR record at x.arin.net. [199.180.180.63]
...took 161 msSearching for x.arin.net. A record at g.gtld-servers.net. [192.42.93.30] ...took 5 ms
Searching for x.arin.net. A record at ns2.arin.net. [199.71.0.108] ...took 147 ms
Searching for ns1.cf.ac.uk. A record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 12 ms
Searching for ns1.cf.ac.uk. A record at nsb.nic.uk. [156.154.101.3] ...took 5 ms
Searching for 53.0.251.131.in-addr.arpa. PTR record at ns1.cf.ac.uk. [131.251.133.20]
...took 32 msSearching for ns1.cf.ac.uk. A record at nsb.nic.uk. [156.154.101.3] ...took 5 ms
Searching for ns1.surfnet.nl. A record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 11 ms
Searching for ns1.surfnet.nl. A record at ns1.dns.nl. [194.0.28.53] ...took 5 ms
Searching for ns1.surfnet.nl. A record at ns2.surfnet.nl. [192.87.36.2] ...took 15 ms
Searching for ns1.cf.ac.uk. A record at ns1.surfnet.nl. [192.87.106.101]
...took 12 msSearching for ns1.surfnet.nl. A record at ns1.dns.nl. [194.0.28.53] ...took 5 ms
Searching for ns1.surfnet.nl. A record at ns2.surfnet.nl. [192.87.36.2] ...took 15 ms
Searching for ns3.ja.net. A record at J.ROOT-SERVERS.NET. [192.58.128.30]
...took 12 ms
Searching for ns3.ja.net. A record at a.gtld-servers.net. [192.5.6.30] ...took 23 ms
Searching for ns3.ja.net. A record at ns1.ja.net. [194.81.227.226] ...took 33 ms
Searching for ns1.cf.ac.uk. A record at ns3.ja.net. [193.63.106.103]
...took 39 msSearching for ns3.ja.net. A record at a.gtld-servers.net. [192.5.6.30] ...took 23 ms
Searching for ns3.ja.net. A record at ns1.ja.net. [194.81.227.226] ...took 33 ms
Nameserver ns1.cf.ac.uk. reports: No such host 53.0.251.131.in-addr.arpa.
Total elapsed query time: 790 ms