TLS-HOSTNAME-MISMATCH
The certificate does not cover this hostname
What it means
Browsers reject certificates whose names do not include the site address.
How to fix it
- 1Reissue the certificate with the hostname (and www variant) in the subject alternative names.
Re-check after the change
DNS changes can take up to the record's TTL to be seen; use Re-run on the result page to bypass our 10-minute cache.