ns1.rusonyx.ru has one IP number , which also has a corresponding reverse pointer. 1is.ru, rou.ru, inte.ru, ibnk.ru, yarys.ru and at least 100 other hosts use this as a nameserver. cellphone.ru use this as a mailserver. rusonyx.ru is a domain controlled by two nameservers at rusonyx.ru themselves. They are on different IP networks. Incoming mail for rusonyx.ru is handled by one mailserver also at rusonyx.ru. rusonyx.ru has one IP number. ns1.rusonyx.ru is hosted on a server in Russian Federation.