Searching for 110.51.247.37.in-addr.arpa. PTR record at B.ROOT-SERVERS.NET. [192.228.79.201]
...took 25 ms
Searching for 110.51.247.37.in-addr.arpa. PTR record at b.in-addr-servers.arpa. [199.253.183.183] ...took 14 ms
REFUSED
Searching for 110.51.247.37.in-addr.arpa. PTR record at nsit2.prometeus.it. [194.71.225.121]
Searching for 110.51.247.37.in-addr.arpa. PTR record at nsit1.prometeus.it. [195.88.5.1] ...took 28 ms
Searching for 110.51.247.37.in-addr.arpa. PTR record at b.in-addr-servers.arpa. [199.253.183.183] ...took 14 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 a.gtld-servers.net. [192.5.6.30] ...took 24 ms
Searching for ns4.apnic.net. A record at apnic.authdns.ripe.net. [193.0.9.9] ...took 11 ms
Searching for 110.51.247.37.in-addr.arpa. PTR record at ns4.apnic.net. [202.12.31.53]
...took 17 msSearching for ns4.apnic.net. A record at a.gtld-servers.net. [192.5.6.30] ...took 24 ms
Searching for ns4.apnic.net. A record at apnic.authdns.ripe.net. [193.0.9.9] ...took 11 ms
Searching for nsit3.prometeus.it. A record at D.ROOT-SERVERS.NET. [199.7.91.13]
...took 11 ms
Searching for nsit3.prometeus.it. A record at nameserver.cnr.it. [194.119.192.34] ...took 35 ms
Searching for 110.51.247.37.in-addr.arpa. PTR record at nsit3.prometeus.it. [185.136.176.100]
...took 13 msSearching for nsit3.prometeus.it. A record at nameserver.cnr.it. [194.119.192.34] ...took 35 ms
Searching for b.0ns.eu. A record at B.ROOT-SERVERS.NET. [192.228.79.201]
...took 19 ms
Searching for b.0ns.eu. A record at si.dns.eu. [193.2.221.62] ...took 22 ms
Searching for b.0ns.eu. A record at b.0ns.eu. [162.250.147.7] ...took 19 ms
Searching for nsit3.prometeus.it. A record at b.0ns.eu. [162.250.147.7]
...took 13 msSearching for b.0ns.eu. A record at si.dns.eu. [193.2.221.62] ...took 22 ms
Searching for b.0ns.eu. A record at b.0ns.eu. [162.250.147.7] ...took 19 ms
REFUSED
Searching for 110.51.247.37.in-addr.arpa. PTR record at nsit2.prometeus.it. [194.71.225.121]
Query timed out (interrupted after 2,002 milliseconds)
Retrying...Searching for 110.51.247.37.in-addr.arpa. PTR record at nsit1.prometeus.it. [195.88.5.1] ...took 28 ms
Nameserver nsit1.prometeus.it. reports: No such host 110.51.247.37.in-addr.arpa.
Total elapsed query time: 2,264 ms