Summary
ns.vnet.ee has one IP number , which also has a corresponding reverse pointer.
ns1.vnet.ee point to the same IP.
vnet.ee is a domain controlled by two nameservers at
vnet.ee themselves. They are on different IP networks. Incoming mail for
vnet.ee is handled by one mailserver also at
vnet.ee.
vnet.ee has one IP number , but the reverse is
mail.vnet.ee.
ns.vnet.ee is hosted on a server in Estonia.