[msbarnett]

If it's showing up as invalid for you, you may have locally revoked trust of the DST Root CA X3 IdenTrust root certificate.

[sli]

The www subdomain serves the wrong cert. https://www.commaok.xyz/ gives you an SSL error but https://commaok.xyz/ does not.

[drudru11]

Hi : unrelated to this thread.

In an older thread you mention an acronym TFA. The thread was a discussion on sparse files and removing bytes from the front of a file.

What is TFA?