Incoming mail for vsdma.vus.de is handled by two mailservers on different IP networks. pzm.de, pzms.de, mahag.de, mahag.at, wwwan.com and at least twelve other hosts share mailservers with this domain. mail.vsdma.vus.de are subdomains to this hostname. vus.de is a domain controlled by two nameservers at m-online.net. They are on the same IP network. Incoming mail for vus.de is handled by two mailservers on the same IP network. vus.de has one IP number.