CDN says host down yet it's up

[fritex]

@user6448

Why can’t I edit my posts?

@user6448

broken page

@user6448

host is down

@user6448

then the CDN error

How do you mean?
Do you have some caching in between?
Are you trying to ping your HTTPS Website or ping your IP address of the origin host/server instead (not pinging the Cloudflare IP)?
The error 521 or some other too?

If so, check here:

WP Cloudflare installed and new posts don't show in my homepage

May I ask do you also have some caching setup configured either at WordPress (using some Cache plugin) or Cloudflare end (using Page Rules or Cache Everything option)?

WP Cloudflare installed and new posts don't show in my homepage

I believe this is the reason why you do not see new / recent posts (why do not they appear) on the homepage either you created/posted new one. Try switching to “Standard” and see if anything different. Also, try to Purge the Cache at Cloudflare. Because having “Cache Everything”, could mean even to cache your homepage (HTML webpage) for selected/defined time at Cloudflare dashboard, meaning it will keep a cached version of your homepage for minutes, hours, or even days or longer. Cloudflare…

@user6448

the CDN

The Cloudflare or some other CDN?