Summary
ore.mg,
wcs.mg,
ucb.mg,
acm.mg,
cbl.mg and at least 100 other hosts use this as a mailserver.
dts.mg is a domain controlled by two nameservers at
dts.mg themselves. They are on different IP networks. Incoming mail for
dts.mg is handled by two mailservers also at
dts.mg. They are on different IP networks.