checkopts: use non-dyndns domain

#!/usr/bin/env perl

## Copyright © 2010 by Daniel Friesel <derf@derf.homelinux.org>

## Copyright © 2010 by Daniel Friesel <derf@finalrewind.org>

## License: WTFPL <http://sam.zoy.org/wtfpl>

use strict;

use warnings;