It is possible to deploy two custom domains on the same front-end canister.?
Yes, you can deploy as many custom domains on the same front-end canister as you want.
On name cheap i had odoc.app it was working fine, i added icpjobs.com and it works fine now, but odoc.app is not working anymore and i got this
This is not an issue with the custom domain. Can you please provide the full Agent Error that you get.