Reverse DNS Lookup for 85.233.90.6

Searching for 6.90.233.85.in-addr.arpa. PTR record at M.ROOT-SERVERS.NET. [202.12.27.33] ...took 14 ms
Searching for 6.90.233.85.in-addr.arpa. PTR record at f.in-addr-servers.arpa. [193.0.9.1] ...took 11 ms

Searching for ns4.apnic.net. A record at M.ROOT-SERVERS.NET. [202.12.27.33] ...took 13 ms
Searching for ns4.apnic.net. A record at h.gtld-servers.net. [192.54.112.30] ...took 21 ms
Searching for ns4.apnic.net. A record at ns2.apnic.net. [203.119.95.53] ...took 6 ms

Searching for 6.90.233.85.in-addr.arpa. PTR record at ns4.apnic.net. [202.12.31.53] ...took 16 ms

Searching for ns.tatais.ru. A record at D.ROOT-SERVERS.NET. [199.7.91.13] ...took 11 ms
Searching for ns.tatais.ru. A record at d.dns.ripn.net. [194.190.124.17] ...took 89 ms
Searching for ns.tatais.ru. A record at ns.tatneft.RU. [185.117.144.250] ...took 60 ms

Searching for 6.90.233.85.in-addr.arpa. PTR record at ns.tatais.ru. [185.150.12.22] ...took 61 ms
SERVFAIL
Searching for 6.90.233.85.in-addr.arpa. PTR record at ns.tatneft.ru. [185.117.144.250] ...took 56 ms
SERVFAIL
Searching for 6.90.233.85.in-addr.arpa. PTR record at ns.tatneft.ru. [185.117.144.250] ...took 59 ms
SERVFAIL
Searching for 6.90.233.85.in-addr.arpa. PTR record at ns.tatais.ru. [185.150.12.22] ...took 59 ms
SERVFAIL

None of the nameservers responded correctly.

Total elapsed query time: 476 ms