Speed test error code

chalfonts-consultancy.com couldn’t be fetched. (Code: 1000)

GTMetrix also had a problem accessing the Site. An error occurred fetching the page: HTTPS error: SSL connect attempt failed error:14094410:SSL routines:ssl3_read_bytes:sslv3 alert handshake failure

RankMath has this error API Error: HTTP 400 error

What should I do?