you have a wildcard dns entry
*.mrengineer13.com -> CNAME mrengineer13.com
so your www version has an IP address.
But that's not the problem.
The problem is curious. My FireFox says:
SSL_ERROR_RX_UNEXPECTED_NEW_SESSION_TICKET
Never seen that error.
Local Chrome says
ERR_SSL_PROTOCOL_ERROR
But "check-your-website" uses a headless Chrome to create the screenshot, there is a screenshot.
Check, if you are able to change that error:
SSL_ERROR_RX_UNEXPECTED_NEW_SESSION_TICKET
PS: Looks that this old topic
has an answer.