Hello,
Thank you for contacting Rank Math today.
Rank Math should continue working normally on the custom domain as long as you are using WordPress. The on page analysis should also continue to work as well.
Looking forward to helping you. Thank you.
Hello,
Since we did not hear back from you for 15 days, we are assuming that you found the solution. We are closing this support ticket.
If you still need assistance or any other help, please feel free to open a new support ticket, and we will be more than happy to assist.
Thank you.