Searching for 57.21.53.87.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for 57.21.53.87.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 171 ms
Searching for 57.21.53.87.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 171 ms
Searching for pri.authdns.ripe.net. A record at B.ROOT-SERVERS.NET. [192.228.79.201]
...took 69 ms
Searching for pri.authdns.ripe.net. A record at a.gtld-servers.net. [192.5.6.30] ...took 24 ms
Searching for pri.authdns.ripe.net. A record at ns3.lacnic.net. [200.3.13.14] ...took 195 ms
Searching for 57.21.53.87.in-addr.arpa. PTR record at pri.authdns.ripe.net. [193.0.9.5]
...took 12 msSearching for pri.authdns.ripe.net. A record at a.gtld-servers.net. [192.5.6.30] ...took 24 ms
Searching for pri.authdns.ripe.net. A record at ns3.lacnic.net. [200.3.13.14] ...took 195 ms
Searching for auth05.ns.tdc.net. A record at B.ROOT-SERVERS.NET. [192.228.79.201]
...took 75 ms
Searching for auth05.ns.tdc.net. A record at a.gtld-servers.net. [192.5.6.30] ...took 24 ms
Searching for 57.21.53.87.in-addr.arpa. PTR record at auth05.ns.tdc.net. [62.243.0.168]
...took 19 msSearching for auth05.ns.tdc.net. A record at a.gtld-servers.net. [192.5.6.30] ...took 24 ms
Searching for auth02.ns.tele.dk. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 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 ns-soa.darenet.dk. [130.226.179.50] ...took 20 ms
Searching for auth05.ns.tdc.net. A 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 ns-soa.darenet.dk. [130.226.179.50] ...took 20 ms
Nameserver auth05.ns.tdc.net. reports: No such host 57.21.53.87.in-addr.arpa.
Total elapsed query time: 676 ms