Searching for 139.251.51.87.in-addr.arpa. PTR record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 12 ms
Searching for 139.251.51.87.in-addr.arpa. PTR record at b.in-addr-servers.arpa. [199.253.183.183] ...took 15 ms
Searching for 139.251.51.87.in-addr.arpa. PTR record at b.in-addr-servers.arpa. [199.253.183.183] ...took 15 ms
Searching for rirns.arin.net. A record at J.ROOT-SERVERS.NET. [192.58.128.30]
...took 12 ms
Searching for rirns.arin.net. A record at j.gtld-servers.net. [192.48.79.30] ...took 11 ms
Searching for rirns.arin.net. A record at ns3.arin.net. [199.5.26.108] ...took 155 ms
Searching for 139.251.51.87.in-addr.arpa. PTR record at rirns.arin.net. [199.253.249.53]
...took 156 msSearching for rirns.arin.net. A record at j.gtld-servers.net. [192.48.79.30] ...took 11 ms
Searching for rirns.arin.net. A record at ns3.arin.net. [199.5.26.108] ...took 155 ms
Searching for auth02.ns.tele.dk. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 11 ms
Searching for auth02.ns.tele.dk. A record at s.nic.dk. [193.176.144.15] ...took 14 ms
Searching for auth02.ns.tele.dk. A record at auth02.ns.tele.dk. [194.192.207.166] ...took 16 ms
Searching for 139.251.51.87.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 s.nic.dk. [193.176.144.15] ...took 14 ms
Searching for auth02.ns.tele.dk. A record at auth02.ns.tele.dk. [194.192.207.166] ...took 16 ms
Searching for auth06.ns.tdc.net. A record at I.ROOT-SERVERS.NET. [192.36.148.17]
...took 11 ms
Searching for auth06.ns.tdc.net. A record at g.gtld-servers.net. [192.42.93.30] ...took 7 ms
Searching for auth06.ns.tdc.net. A record at auth01.ns.tele.dk. [62.243.0.166] ...took 19 ms
Searching for 139.251.51.87.in-addr.arpa. PTR record at auth06.ns.tdc.net. [194.192.207.174]
...took 16 msSearching for auth06.ns.tdc.net. A record at g.gtld-servers.net. [192.42.93.30] ...took 7 ms
Searching for auth06.ns.tdc.net. A record at auth01.ns.tele.dk. [62.243.0.166] ...took 19 ms
Nameserver auth06.ns.tdc.net. reports: No such host 139.251.51.87.in-addr.arpa.
Total elapsed query time: 471 ms