SSL_ERROR_BAD_CERT_DOMAIN on https://www.querydsl.com

[scordio]

When opening https://www.querydsl.com/ from Firefox, I get the following:

Error details

https://www.querydsl.com/

Unable to communicate securely with peer: requested domain name does not match the server’s certificate.

HTTP Strict Transport Security: false
HTTP Public Key Pinning: false

Certificate chain:

-----BEGIN CERTIFICATE-----
MIIGhTCCBW2gAwIBAgIRAJB3NEFHMW75lZl2eur98bkwDQYJKoZIhvcNAQELBQAw
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-----END CERTIFICATE-----
-----BEGIN CERTIFICATE-----
MIIGEzCCA/ugAwIBAgIQfVtRJrR2uhHbdBYLvFMNpzANBgkqhkiG9w0BAQwFADCB
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-----END CERTIFICATE-----
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

Maybe this could be solved by adding querydsl.com as a trusted domain in GitHub?

See also: https://docs.github.com/en/pages/getting-started-with-github-pages/securing-your-github-pages-site-with-https

The same happens with https://querydsl.com.