ns1.atnet.ru has one IP number , which also has a corresponding reverse pointer. ns4.artil.ru and ns.artelecom.ru point to the same IP. cka.ru, nmcs.ru, nsmu.ru, caws.ru, aokm.ru and at least 43 other hosts use this as a nameserver. atnet.ru is a domain controlled by two nameservers on different IP networks. Incoming mail for atnet.ru is handled by two mailservers at atnet.ru themselves. Two mailservers have the same IP number. ns1.atnet.ru is hosted on a server in Russian Federation.