We have custom hostnames enabled for a zone (docs.page), and have added a number of custom hostnames to test.
All hostnames are verified (green certificate status + hostname status). These hostnames are supposed to connect to a cloudflare worker, which is routed via the DNS record (this is setup).
The problem:
Some of these hostnames work (they hit the worker as expected), and some of them don't. Those that don't, have a 522 error, and there are no logs on the worker - it looks like an CF internal issue.
We've used a bunch of domains (both within cloudflare dns and outside):
We're totally stumped as to why this is happening - how do we go about debugging and resolving? Looks like those in the same account/zone are broken, but this shouldn't be the case...?