Browsers not redirecting from non-www to www; is this a me problem or a Buttondown problem?

[krangor]

Visitors are getting this error:

If you're the owner of this website:

Contact your hosting provider letting them know your web server is not completing requests. An Error 522 means that the request was able to connect to your web server, but that the request didn't finish. The most likely cause is that something on your server is hogging resources. Additional troubleshooting information here.

Any thoughts on what could be causing this?

Thanks!

[krangor]

Hmm, fiddling around in Cloudflare may have fixed this (added a redirect rule). Was wondering about the whole 522 error tho.

[jmduke]

This is almost certainly a you problem (not to be rude!!) What was the rule you had to add?

[krangor]

Here's what I cobbled together: