Searching for 251.4.184.90.in-addr.arpa. PTR record at J.ROOT-SERVERS.NET. [192.58.128.30]
...took 12 ms
Searching for 251.4.184.90.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 173 ms
Searching for 251.4.184.90.in-addr.arpa. PTR record at d.in-addr-servers.arpa. [200.10.60.53] ...took 173 ms
Searching for pri.authdns.ripe.net. A record at A.ROOT-SERVERS.NET. [198.41.0.4]
...took 17 ms
Searching for pri.authdns.ripe.net. A record at e.gtld-servers.net. [192.12.94.30] ...took 25 ms
Searching for pri.authdns.ripe.net. A record at ns4.apnic.net. [202.12.31.53] ...took 16 ms
Searching for 251.4.184.90.in-addr.arpa. PTR record at pri.authdns.ripe.net. [193.0.9.5]
...took 11 msSearching for pri.authdns.ripe.net. A record at e.gtld-servers.net. [192.12.94.30] ...took 25 ms
Searching for pri.authdns.ripe.net. A record at ns4.apnic.net. [202.12.31.53] ...took 16 ms
Nameserver pri.authdns.ripe.net. reports: No such host 251.4.184.90.in-addr.arpa.
Total elapsed query time: 254 ms