Why does having a www CNAME in Cloudflare does not work and return Error 523

user_13803995 0
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Hey so How to setup CNAME DNS for www to point towards the root domain. The Root cname works but the www CName doesn't. i have it like the this CNAME Setup for WWW domain

I have my react page hosted on Cloudflare pages, but when I go to https://www.stron.ml It returns the following error. I am kinda new to web hosting stuff .

Error 523

Ray ID: 650b0c9bcc380b97 • 2021-05-17 07:14:30 UTC

Origin is unreachable

I tried even adding a subdomain like dev. but I got the same error , Thank You

cloudflare cname dns
1 Answers

at the moment your redirection seems working, it could've been simply a matter of propagation time. Anyway, keep in mind that pointing a CNAME to another CNAME is discouraged by the official RFC, so pointing your www subdomain to stron.ml, while stron.ml is already a CNAME should be avoided:

Don't use CNAMEs in combination with RRs which point to other names like MX, CNAME, PTR and NS.

user_127759950
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