pitiq.wen.ru has one IP number , but the reverse is c.wen.ru. 95.kan.su, lux.wen.ru, pop.wen.su, gay.wen.su, vap.tep.su and at least 73 other hosts point to the same IP. wen.ru is a domain controlled by three nameservers at wen.ru themselves. All of them are on different IP networks. Incoming mail for wen.ru is handled by one mailserver also at wen.ru. wen.ru has one IP number , which also has a corresponding reverse pointer. pitiq.wen.ru is hosted on a server in Ukraine even though the hostname implies Russian Federation.