Linking Subdomain to a Worker

I am trying to link a subdomain - kkewashsystems.pg.zingalify.com to a worker.

CNAME pg zingalify.com Proxied
AAAA kkewashsystems.pg 100:: Proxied

The Routing is as below to the worker >> zingalifywebsite

https://.pg.zingalify.com/ zingalifywebsite [production]

This has been working for other domains but don’t know why I can’t this running. Can someone point out my mistake?
Thanks !

To add to the above post, it is returning 522 error.

I’m not seeing a 522, but I can’t get a secure connection. It’s probably this: