Summary
ems.sun.com is a domain controlled by four nameservers at
sun.com. Two of them are on the same IP network. Incoming mail for
ems.sun.com is handled by two mailservers at
ems.sun.com themselves. They are on different IP networks.
sun.be,
sun.de,
sun.es,
sun.fr,
sun.cl and at least 28 other hosts share nameservers with this domain.
relay4i.ems.sun.com,
relay4o.ems.sun.com,
relay0i.ems.sun.com,
relay44o.ems.sun.com,
relay02o.ems.sun.com and at least twelve other hosts share mailservers with this domain.
mail-2.ems.sun.com,
mail-1.ems.sun.com,
relay4i.ems.sun.com,
relay4o.ems.sun.com,
relay0i.ems.sun.com and at least 14 other hosts are subdomains to this hostname.
sun.com is a domain controlled by four nameservers also at
sun.com. All of them are on different IP networks. Incoming mail for
sun.com is handled by four mailservers having a total of six IP numbers. Some of them are on the same IP network.
sun.com has one IP number.