varna.sweb.ru has one IP number , which also has a corresponding reverse pointer. bzr.ru, pbd.ru, curl.ru, cape.ru, mgdt.ru and at least 100 other hosts point to the same IP. sweb.ru is a domain controlled by two nameservers at spaceweb.ru. They are on the same IP network. Incoming mail for sweb.ru is handled by two mailservers also at spaceweb.ru. They are on the same IP network. sweb.ru has one IP number. varna.sweb.ru is hosted on a server in Russian Federation.