Searching for 7.15.171.168.in-addr.arpa. PTR record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 12 ms
Searching for 7.15.171.168.in-addr.arpa. PTR record at c.in-addr-servers.arpa. [196.216.169.10] ...took 169 ms
Searching for 7.15.171.168.in-addr.arpa. PTR record at c.in-addr-servers.arpa. [196.216.169.10] ...took 169 ms
Searching for u.arin.net. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 12 ms
Searching for u.arin.net. A record at i.gtld-servers.net. [192.43.172.30] ...took 6 ms
Searching for u.arin.net. A record at ns2.arin.net. [199.71.0.108] ...took 147 ms
Searching for 7.15.171.168.in-addr.arpa. PTR record at u.arin.net. [204.61.216.50]
...took 12 msSearching for u.arin.net. A record at i.gtld-servers.net. [192.43.172.30] ...took 6 ms
Searching for u.arin.net. A record at ns2.arin.net. [199.71.0.108] ...took 147 ms
Searching for ns-2015.awsdns-59.co.uk. A record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 11 ms
Searching for ns-2015.awsdns-59.co.uk. A record at nsc.nic.uk. [156.154.102.3] ...took 6 ms
Searching for ns-2015.awsdns-59.co.uk. A record at g-ns-955.awsdns-59.co.uk. [205.251.195.187] ...took 5 ms
Searching for 7.15.171.168.in-addr.arpa. PTR record at ns-2015.awsdns-59.co.uk. [205.251.199.223]
...took 6 msSearching for ns-2015.awsdns-59.co.uk. A record at nsc.nic.uk. [156.154.102.3] ...took 6 ms
Searching for ns-2015.awsdns-59.co.uk. A record at g-ns-955.awsdns-59.co.uk. [205.251.195.187] ...took 5 ms
Nameserver ns-2015.awsdns-59.co.uk. reports: No such host 7.15.171.168.in-addr.arpa.
Total elapsed query time: 386 ms