Mar 20
5
So you have myolddomain.com and you are moving to mynewdomain.com, do you need to renew the security certificate for the domain myolddomain.com if you are just going to be redirecting it to mynewdomain.com. The answer is probably yes, not necessarily for search engines but users may get a browser error on the redirect
Read the rest here:
Google: Keep Security Certificate On Your Redirected URLs On Site Merges