Hi Guys,
Thanks for the replies here.
To answer the point about automatic renewal, I already encountered this problem and got around it with a script (as you’ll see in the post, it’s a modified version of something someone else had written)
http://forum.mikrotik.com/t/renewing-lets-encrypt-ssl-certificate/160888/1
I’ll have a play with the multiple DNS Names thing though.
Thanks
Colin