Summary
249.33.212.in-addr.arpa is delegated to two nameservers, however both delegated nameservers are missing in the zone and four other nameservers are listed. There are two duplicated IP numbers. All of them are on the same IP network.
pfc.ru,
arx.ru,
raid.ru,
pnsh.ru,
i2x2.ru and at least 35 other hosts share nameservers with this domain.