pptp without ip address

Is it posible to make a ppptp client in the part “connect to” entering a dns name and not ip address.
It because the 2 routers have a dsl connection without fixed ip address, and I was thinking in a solution based in dnstogo squema.

take a look here:

http://www.mikrotik.com/forum/viewtopic.php?t=1069

Thank you
Worked fine