ns2.east.ru has one IP number , which also has a corresponding reverse pointer. bt.ru, east.ru, komps.ru, zeiss.ru, disan.ru and at least 41 other hosts use this as a nameserver. komps.ru, disan.ru, shilova.ru, netping.ru, kenwood.ru and at least 13 other hosts use this as a mailserver. east.ru is a domain controlled by two nameservers at east.ru themselves. They are on different IP networks. Incoming mail for east.ru is handled by two mailservers having a total of three IP numbers. All of them are on the same IP network. east.ru has one IP number. ns2.east.ru is hosted on a server in Russian Federation.