Docs: clarify DNS records for Pages
What does this MR do?
- Clarify that DNS
MX
records will break if you use a CNAME with Pages - Clarify that we do not recommend it
Related issues
Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/42957
Author's checklist
Review checklist
-
PM's review (recommended, but not a blocker) -
Technical writer's review (required)
Edited by Marcia Ramos