erebus.mchost.ru has one IP number , which also has a corresponding reverse pointer. jsh.ru, gpst.ru, ylet.ru, eroz.ru, 1001.by and at least 100 other hosts point to the same IP. mchost.ru is a domain controlled by two nameservers at mchost.ru themselves. They are on the same IP network. Incoming mail for mchost.ru is handled by two mailservers at smtp-in.corp.mchost.ru. They are on the same IP network. mchost.ru has one IP number. erebus.mchost.ru is hosted on a server in Russian Federation.