URL Redirection and 1and1

Question

I\'ve got an app up and running on Heroku. I\'ve purchased a top level .com domain from 1and1 (I have other sites there, so I thought that would make life easier).

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Answer 1

Short answer: you can not set CNAME for top of your domain.

Detailed answer: Why can't a CNAME record be used at the apex (aka root) of a domain?

Some DNS providers might offer workaround hacks.