Searching for 231.221.143.91.in-addr.arpa. PTR record at E.ROOT-SERVERS.NET. [192.203.230.10]
...took 34 ms
Searching for 231.221.143.91.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 93 ms
Searching for 231.221.143.91.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 93 ms
Searching for ns3.afrinic.net. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 31 ms
Searching for ns3.afrinic.net. A record at a.gtld-servers.net. [192.5.6.30] ...took 24 ms
Searching for ns3.afrinic.net. A record at rirns.arin.net. [199.253.249.53] ...took 91 ms
Searching for 231.221.143.91.in-addr.arpa. PTR record at ns3.afrinic.net. [204.61.216.100]
...took 18 msSearching for ns3.afrinic.net. A record at a.gtld-servers.net. [192.5.6.30] ...took 24 ms
Searching for ns3.afrinic.net. A record at rirns.arin.net. [199.253.249.53] ...took 91 ms
Searching for dns4.sbb.rs. A record at M.ROOT-SERVERS.NET. [202.12.27.33]
...took 15 ms
Searching for dns4.sbb.rs. A record at c.nic.rs. [45.142.220.81] ...took 35 ms
Searching for dns4.sbb.rs. A record at dns3.sbb.rs. [82.117.194.3] ...took 23 ms
Searching for 231.221.143.91.in-addr.arpa. PTR record at dns4.sbb.rs. [89.216.1.2]
...took 23 msSearching for dns4.sbb.rs. A record at c.nic.rs. [45.142.220.81] ...took 35 ms
Searching for dns4.sbb.rs. A record at dns3.sbb.rs. [82.117.194.3] ...took 23 ms
Nameserver dns4.sbb.rs. reports: No such host 231.221.143.91.in-addr.arpa.
Total elapsed query time: 387 ms