Having reliabile access for a server is a comon problem for an online business in the DR. I am moving my business to the DR but leaving the servers in my apartment in NYC. This way we can do all the production in the DR at a fraction of the cost and upload everything to the servers. I know there will not be any power outtages in Manhattan and the price-to-speed access ratio is more favorable than what I would pay Verizon in the DR. Plus you can use UltraVNC to control the servers remotely from any location !
We will be running a Front End Web Server, a Document Server, a Secure Server, and a Collaboration Server ,which can be done reliably without a static ip if you want. You might want to consider such an option.
Good luck.