I've recently been trying to set up a website for the first time for an academic project.
We bought 4 domains from 123-reg.co.uk:
I want all secondary domains to point to the primary domain, which should be easy enough using 301 redirects.
We also bought a hosting package at the same time with 123-reg (which appears to have been an unwise choice, based on opinions I've read recently about keeping host and domain provider separate). Unfortunately, this hosting package is erroneously linked to secondarydomain1.com, not to primarydomain.com.
I figured that this shouldn't be a problem and that I could just change the domain associated with the hosting. Wrong!
Domain names associated with a 123-reg hosting package can not be changed once the hosting package has been purchased. If you require another domain name to be hosted, you will need to purchase a new hosting package for the appropriate domain name. (From 123-reg Support)
Then I thought that I could just change the A records (@ and www) for primarydomain.com to point to the IP address of the hosting package (xx.xx.xx.100), while changing the A records of secondarydomain1.com to match those of the other secondary domains (xx.xx.xx.200).
Now, I've only changed the A records yesterday, so it may be within the acceptable timeframe for the changes to propagate. I'm unsure, though, since 123-reg specifically states that once a hosting package is purchased, you can't change the associated domain. If all else fails and I really can't change the associated domain, I can always buy cheap webspace elsewhere (any recommendations, by the way?) and point primarydomain.com there, but before I spend more money, I want to be sure that I can't rectify the situation.
If anyone has had experience with combined hosting + domain registration with 123-reg, I'd be very grateful for any input.