From: Hu Zhang <huzhang1982_at_gmail.com>
Date: Tue, 14 Jul 2009 11:36:47 -0400

I'm going to maintain two domains with two different DNS names on one
server. Now, I can distinguish between these two by different port numbers,
but DNS can only be assigned on IP level. Because two domains share the same
IP address, I cannot assign them with different DNS names. Anyone knows the
solution? Thanks.