Summary
mail15.domain.com has one IP number , but the reverse is
mail15.dotsterhost.com.
pop.mankin.org,
mail15.hostlane.com,
mail15.dotsterhost.com,
mail15.mydomainwebhost.com,
mail15.matchpointhosting.com and at least one other host point to the same IP.
me.uz,
gswus.com,
movaci.cn,
omaia.net,
sorema.cl and at least 100 other hosts use this as a mailserver.
smtp.mail15.domain.com are subdomains to this hostname.
domain.com is delegated to three nameservers, however all three delegated nameservers are missing in the zone and three other nameservers are listed instead. There are three duplicated IP numbers. Some of them are on the same IP network. Incoming mail for
domain.com is handled by one mailserver at
domainbank.com.
domain.com has two IP numbers. They are on different IP networks.
mail15.domain.com is hosted on a server in United States.