Searching for 91.244.75.195.in-addr.arpa. PTR record at B.ROOT-SERVERS.NET. [192.228.79.201]
...took 55 ms
Searching for 91.244.75.195.in-addr.arpa. PTR record at e.in-addr-servers.arpa. [203.119.86.101] ...took 255 ms
SERVFAIL
Searching for 91.244.75.195.in-addr.arpa. PTR record at e.in-addr-servers.arpa. [203.119.86.101] ...took 255 ms
Searching for ns3.afrinic.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for ns3.afrinic.net. A record at f.gtld-servers.net. [192.35.51.30] ...took 6 ms
Searching for ns3.afrinic.net. A record at ns4.apnic.net. [202.12.31.53] ...took 17 ms
Searching for 91.244.75.195.in-addr.arpa. PTR record at ns3.afrinic.net. [204.61.216.100]
...took 11 msSearching for ns3.afrinic.net. A record at f.gtld-servers.net. [192.35.51.30] ...took 6 ms
Searching for ns3.afrinic.net. A record at ns4.apnic.net. [202.12.31.53] ...took 17 ms
Searching for ns.ripe.net. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 12 ms
Searching for ns.ripe.net. A record at k.gtld-servers.net. [192.52.178.30] ...took 12 ms
Searching for ns.ripe.net. A record at ns4.apnic.net. [202.12.31.53] ...took 16 ms
Searching for 91.244.75.195.in-addr.arpa. PTR record at ns.ripe.net. [193.0.9.6]
...took 11 msSearching for ns.ripe.net. A record at k.gtld-servers.net. [192.52.178.30] ...took 12 ms
Searching for ns.ripe.net. A record at ns4.apnic.net. [202.12.31.53] ...took 16 ms
SERVFAIL
Searching for ns.de.prserv.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 14 ms
Searching for ns.de.prserv.net. A record at m.gtld-servers.net. [192.55.83.30] ...took 11 ms
Searching for ns.de.prserv.net. A record at ns3.us.prserv.net. [99.99.99.140] ...took 108 ms
Searching for ns.de.prserv.net. A record at ns.de.prserv.net. [194.196.235.157] ...took 18 ms
Searching for 91.244.75.195.in-addr.arpa. PTR record at ns.de.prserv.net. [194.196.235.157]
...took 17 msSearching for ns.de.prserv.net. A record at m.gtld-servers.net. [192.55.83.30] ...took 11 ms
Searching for ns.de.prserv.net. A record at ns3.us.prserv.net. [99.99.99.140] ...took 108 ms
Searching for ns.de.prserv.net. A record at ns.de.prserv.net. [194.196.235.157] ...took 18 ms
Nameserver ns.de.prserv.net. reports: No such host 91.244.75.195.in-addr.arpa.
Total elapsed query time: 577 ms