Greetings,
Thank you for asking.
I am sorry to hear that you are experiencing an issue with your domain and Cloudflare Pages.
I can reproducte the same 522 error when I visit media.duncan.ie.
For your domain name duncan.ie I see registrar status renewPeriod.
May I ask did you linked it in the Custom Domains section or you’ve done it manually?
It should be done through the Custom Domains setting.
If you done it there, what is the status of it?
May I ask what SSL option have you got selected under the SSL/TLS tab at Cloudflare dashboard for your domain ( Flexible, Full, Full Strict … )?
Tagging @Walshy. Kindly and patiently wait for a reply.
In the meantime, regarding Cloudflare 522 error, may I suggest you to try looking into below articles to troubleshoot the issue: