Custom domain - Certificate error 2023

Hi, I have recently migrated a Ruby On Rails website successfully on Render under I wanted to put a custom domain on it. However, I get a successful verification and a certificate error. Given that I don’t know how to fix this, I decided to post a question for that here. Here is my DNS provider record list:


There seems to be an additional A record in your screenshot, That will likely cause issues, so you’d need to remove it.

Which it seems you may have already:

I’m seeing responding to requests with a valid certificate.


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