Searching for 5.86.76.91.in-addr.arpa. PTR record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 39 ms
Searching for 5.86.76.91.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 91 ms
Searching for 5.86.76.91.in-addr.arpa. PTR record at a.in-addr-servers.arpa. [199.180.182.53] ...took 91 ms
Searching for rirns.arin.net. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 39 ms
Searching for rirns.arin.net. A record at c.gtld-servers.net. [192.26.92.30] ...took 25 ms
Searching for rirns.arin.net. A record at ns3.arin.net. [199.5.26.108] ...took 143 ms
Searching for 5.86.76.91.in-addr.arpa. PTR record at rirns.arin.net. [199.253.249.53]
...took 92 msSearching for rirns.arin.net. A record at c.gtld-servers.net. [192.26.92.30] ...took 25 ms
Searching for rirns.arin.net. A record at ns3.arin.net. [199.5.26.108] ...took 143 ms
Searching for dns1.mtu.ru. A record at K.ROOT-SERVERS.NET. [193.0.14.129]
...took 39 ms
Searching for dns1.mtu.ru. A record at e.dns.ripn.net. [193.232.142.17] ...took 7 ms
Searching for dns1.mtu.ru. A record at dns1.mtu.RU. [212.188.8.37] ...took 46 ms
Searching for 5.86.76.91.in-addr.arpa. PTR record at dns1.mtu.ru. [212.188.8.37]
...took 47 msSearching for dns1.mtu.ru. A record at e.dns.ripn.net. [193.232.142.17] ...took 7 ms
Searching for dns1.mtu.ru. A record at dns1.mtu.RU. [212.188.8.37] ...took 46 ms
Nameserver dns1.mtu.ru. reports: No such host 5.86.76.91.in-addr.arpa.
Total elapsed query time: 568 ms