Does CNAME (Canonical Name record) override A (address record)?

Question

If I have an address record setup as follows...

www.mywebsite.com  111.1.1.1
*.mywebsite.com    111.1.1.2

and a CNAME setup as follows...

beta.mywebsite.com 111.1.1.3

Would pinging beta.mywebsite.com resolve to 111.1.1.2 or 111.1.1.3? How long does it take to refresh after changing.

Answer 1

a CNAME must point to an hostname not an IP address: http://en.wikipedia.org/wiki/CNAME_record

Answer 2

You appear to be mixing two things:

1. As @Irosa says, a CNAME must point to a domain name, not an IP address

2. With wildcard records, a more specific entry will always override the wildcard entry.

Furthermore, you can't have a CNAME and other resource records at the same name.