How to link multiple domains to a website

Nick from the U.K asks:
My company recently purchased a couple domains and we want those to link to our current website. Eg. example.com will transfer to example.co.uk instantly. How can I do this?
Many Thanks,
Nick
This is similar to an earlier post How do I point ?www.domain.com? at ?domain.com? or vice-versa?, but since we’re going across multiple […]