Code review comment for lp:~gz/goamz/example_dns

On 2013/08/15 16:03:41, niemeyer wrote:
> What is preventing .invalid from being looked up?

You're right, nothing really, it's just convention that it won't exist.
In practice, it fails a little faster, as it doesn't need to talk to the
example.com dns server to see if a new subdomain really exists.

https://codereview.appspot.com/12765043/