I am fairly certain, that I am not currently visiting
But that just happens to be the domain for which the SSL certificate, that, when visiting
https://forum.teksyndicate.com, I get sent to me. Setting up LetsEncrypt takes like 5 minutes =P
Could be a reverse proxy, if I'm not mistaken that's how cloudflare works.
Isnt the Tek Syndicate certificate self signed?
By the looks of it, it's a COMODO cert/
We use cloudflare as a CDN type thing for the site that's why your seeing cloudflare in the certificate.
I can't remember how it works that it still comes up as valid, but it is valid.
Probably transitive trust type situation, if we trust cloudflare and cloudflare trusts TS then we trust TS.
A=B B=C then A=C
Pretty good explanation by cloudflare themselves: