Ranked in these QuestionsQuestion Ranking
Pro Huge list of domains to choose from
There are over 90,000 domains that can be used.
Pro Includes url/port forwarding
Their built-in Web Forward system allows redirecting URLs (including to a different port).
Pro Supports custom domain
Allows using own domain names.
Con Using a custom domain gives everyone access to it
FreeDNS shares all custom domains used across all users.