ns.rtcomm.ru has one IP number , which also has a corresponding reverse pointer. ubcom.ru and ns2.artinfo.ru point to the same IP. at.ru, owc.ru, sdm.ru, redl.ru, beep.ru and at least 100 other hosts use this as a nameserver. rtcomm.ru is a domain controlled by three nameservers. All of them are on different IP networks. Incoming mail for rtcomm.ru is handled by one mailserver at rtcomm.ru themselves. rtcomm.ru has one IP number. ns.rtcomm.ru is hosted on a server in Russian Federation.