Hostname or IP
Type
Searching for 51.138.160.136.in-addr.arpa. PTR record at E.ROOT-SERVERS.NET. [192.203.230.10] ...took 1 ms
Searching for 51.138.160.136.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 137 ms
Searching for z.arin.net. A record at E.ROOT-SERVERS.NET. [192.203.230.10] ...took 4 ms
Searching for z.arin.net. A record at c.gtld-servers.net. [192.26.92.30] ...took 2 ms
Searching for z.arin.net. A record at ns1.arin.net. [199.212.0.108] ...took 92 ms
Searching for 51.138.160.136.in-addr.arpa. PTR record at z.arin.net. [199.212.0.63] ...took 89 ms
Searching for trantor.umd.edu. A record at E.ROOT-SERVERS.NET. [192.203.230.10] ...took 4 ms
Searching for trantor.umd.edu. A record at l.edu-servers.net. [192.41.162.30] ...took 103 ms
Searching for trantor.umd.edu. A record at ns.ums.edu. [131.118.254.1] ...took 86 ms
Searching for 51.138.160.136.in-addr.arpa. PTR record at trantor.umd.edu. [128.8.10.14] ...took 86 ms
SERVFAIL
Searching for umcpnoc.ums.edu. A record at E.ROOT-SERVERS.NET. [192.203.230.10] ...took 4 ms
Searching for umcpnoc.ums.edu. A record at f.edu-servers.net. [192.35.51.30] ...took 2 ms
Searching for umcpnoc.ums.edu. A record at noc.usmd.edu. [131.118.1.30] ...took 88 ms
Searching for 51.138.160.136.in-addr.arpa. PTR record at umcpnoc.ums.edu. [131.118.254.129] ...took 88 ms
Searching for ns-1542.awsdns-00.co.uk. A record at E.ROOT-SERVERS.NET. [192.203.230.10] ...took 1 ms
Searching for ns-1542.awsdns-00.co.uk. A record at dns3.nic.uk. [213.248.220.1] ...took 14 ms
Searching for ns-1542.awsdns-00.co.uk. A record at g-ns-896.awsdns-00.co.uk. [205.251.195.128] ...took 1 ms
Searching for 51.138.160.136.in-addr.arpa. PTR record at ns-1542.awsdns-00.co.uk. [205.251.198.6] ...took 0 ms

Nameserver ns-1542.awsdns-00.co.uk. reports: No such host 51.138.160.136.in-addr.arpa.



Total elapsed query time: 802 ms
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