Incoming mail for *.siemens.at is handled by two mailservers at siemens.at. They are on the same IP network. sbs.sk, frust.net, artlab.at, fix-it.at, earn-e.at and at least 56 other hosts share mailservers with this domain. siemens.at is delegated to two nameservers, however one extra nameserver is listed in the zone. All nameservers are also at siemens.at. Two of them are on the same IP network. Incoming mail for siemens.at is handled by two mailservers also at siemens.at. They are on the same IP network. siemens.at has one IP number.