Searching for 17.30.184.139.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for 17.30.184.139.in-addr.arpa. PTR record at b.in-addr-servers.arpa. [199.253.183.183] ...took 7 ms
Searching for 17.30.184.139.in-addr.arpa. PTR record at b.in-addr-servers.arpa. [199.253.183.183] ...took 7 ms
Searching for u.arin.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for u.arin.net. A record at c.gtld-servers.net. [192.26.92.30] ...took 25 ms
Searching for u.arin.net. A record at ns2.arin.net. [199.71.0.108] ...took 151 ms
Searching for 17.30.184.139.in-addr.arpa. PTR record at u.arin.net. [204.61.216.50]
...took 6 msSearching for u.arin.net. A record at c.gtld-servers.net. [192.26.92.30] ...took 25 ms
Searching for u.arin.net. A record at ns2.arin.net. [199.71.0.108] ...took 151 ms
Searching for dns0.cs.bham.ac.uk. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for dns0.cs.bham.ac.uk. A record at nsd.nic.uk. [156.154.103.3] ...took 11 ms
Searching for dns0.cs.bham.ac.uk. A record at ns0ab.bham.ac.uk. [194.80.24.26] ...took 30 ms
Searching for dns0.cs.bham.ac.uk. A record at dns1.cs.bham.ac.uk. [147.188.192.8] ...took 28 ms
Searching for 17.30.184.139.in-addr.arpa. PTR record at dns0.cs.bham.ac.uk. [147.188.192.4]
...took 28 msSearching for dns0.cs.bham.ac.uk. A record at nsd.nic.uk. [156.154.103.3] ...took 11 ms
Searching for ns0.ja.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for ns0.ja.net. A record at b.gtld-servers.net. [192.33.14.30] ...took 33 ms
Searching for ns0.ja.net. A record at ns1.ja.net. [194.81.227.226] ...took 26 ms
Searching for dns0.cs.bham.ac.uk. A record at ns0.ja.net. [193.63.94.20]
...took 25 msSearching for ns0.ja.net. A record at b.gtld-servers.net. [192.33.14.30] ...took 33 ms
Searching for ns0.ja.net. A record at ns1.ja.net. [194.81.227.226] ...took 26 ms
Searching for dns0.cs.bham.ac.uk. A record at ns0ab.bham.ac.uk. [194.80.24.26] ...took 30 ms
Searching for dns0.cs.bham.ac.uk. A record at dns1.cs.bham.ac.uk. [147.188.192.8] ...took 28 ms
Nameserver dns0.cs.bham.ac.uk. reports: No such host 17.30.184.139.in-addr.arpa.
Total elapsed query time: 428 ms