I'm getting a 522 error when trying to access my Pages site

To be completely sure I have deleted pretty much everything from my Cloudflare account and started again.

I started from the Pages section to upload my hello world site through github. That is now available at the following URL:
https://arnold-now.pages.dev/

Then, in the Pages section I went to custom domain to add my domain arnold.now. Not sure if this matters but I bought the domain at namecheap.

So I set up the domain, didn’t add any CNAMEs myself and let the Cloudflare system do it. Everything is active and verified, I don’t see any errors in the dashboard. I set up the nameservers previously at namecheap so I don’t think there are any issues there.

But somehow it’s still not working. Instead of the previous 522 error I get a standard Chrome error screen with DNS_PROBE_FINISHED_NXDOMAIN

I checked this article: Community Tip - Fixing the DNS PROBE FINISHED NXDOMAIN error and I don’t think any of the tips apply to my situation.

When checking WHOIS then it does seem that the c name is not yet propogated or registered? Should I just wait then?

I am SO sorry that I am bothering you with this. All your help is highly appreciated!