Custom SSL certificate shows in certain browsers but not others

We’ve uploaded a custom certificate. When a customer gets to our page, they sometimes see our certificate and sometimes they see the standard Cloudflare certificate.
It seems to be ok on Edge and Safari but generally not ok on Chrome, FF.

Any idea?

What’s the domain? but to see anything meaningful, you can try:


I can’t get the certificate to fail. It’s always your Sectigo one, and it’s working in Firefox and Brave (chromium). Qualys has no issues with the certificate.

Thanks for checking!
I checked on multiple computers but still maybe some type of caching issue…

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