Searching for 19.218.51.87.in-addr.arpa. PTR record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 12 ms
Searching for 19.218.51.87.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 160 ms
Searching for 19.218.51.87.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 160 ms
Searching for ns4.apnic.net. A record at D.ROOT-SERVERS.NET. [199.7.91.13]
...took 11 ms
Searching for ns4.apnic.net. A record at g.gtld-servers.net. [192.42.93.30] ...took 7 ms
Searching for ns4.apnic.net. A record at ns1.apnic.net. [203.119.42.53] ...took 190 ms
Searching for 19.218.51.87.in-addr.arpa. PTR record at ns4.apnic.net. [202.12.31.53]
...took 16 msSearching for ns4.apnic.net. A record at g.gtld-servers.net. [192.42.93.30] ...took 7 ms
Searching for ns4.apnic.net. A record at ns1.apnic.net. [203.119.42.53] ...took 190 ms
Searching for auth02.ns.tele.dk. A record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 12 ms
Searching for auth02.ns.tele.dk. A record at h.nic.dk. [46.30.126.214] ...took 23 ms
Searching for auth02.ns.tele.dk. A record at auth02.ns.tele.dk. [194.192.207.166] ...took 16 ms
Searching for 19.218.51.87.in-addr.arpa. PTR record at auth02.ns.tele.dk. [194.192.207.166]
...took 16 msSearching for auth02.ns.tele.dk. A record at h.nic.dk. [46.30.126.214] ...took 23 ms
Searching for auth02.ns.tele.dk. A record at auth02.ns.tele.dk. [194.192.207.166] ...took 16 ms
Searching for auth05.ns.tdc.net. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 12 ms
Searching for auth05.ns.tdc.net. A record at f.gtld-servers.net. [192.35.51.30] ...took 6 ms
Searching for auth05.ns.tdc.net. A record at auth01.ns.tele.dk. [62.243.0.166] ...took 19 ms
Searching for 19.218.51.87.in-addr.arpa. PTR record at auth05.ns.tdc.net. [62.243.0.168]
...took 20 msSearching for auth05.ns.tdc.net. A record at f.gtld-servers.net. [192.35.51.30] ...took 6 ms
Searching for auth05.ns.tdc.net. A record at auth01.ns.tele.dk. [62.243.0.166] ...took 19 ms
Nameserver auth05.ns.tdc.net. reports: No such host 19.218.51.87.in-addr.arpa.
Total elapsed query time: 520 ms