Summary
mail.s4all.com has one IP number , which is the same as for
s4all.com, but the reverse is
srv103.one.com.
ket.se,
lajv.se,
mime.be,
jeux.se,
yaha.se and at least 97 other hosts point to the same IP.
s4all.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
s4all.com is handled by two mailservers at
one.com. They are on the same IP network.
mail.s4all.com is hosted on a server in Denmark.