ns1.extfws.ru has two IP numbers. They are on the same IP network. iko.ru, extfws.ru, ad.aci.net, badden.com, horisun.hk and at least 57 other hosts point to the same IP. ua.uz and extfws.ru use this as a nameserver. extfws.ru is a domain controlled by two nameservers having a total of three IP numbers. Two of them are on the same IP network. Incoming mail for extfws.ru is handled by one mailserver at extfws.ru themselves. extfws.ru has two IP numbers. They are on the same IP network.