Our Website https://www.daewoowreckersmelbourne.com.au/ is on Cloudflare but it’s working because Cloudflare dns. when we remove Cloudflare nameserver and point it directly to hosting it will work working again. This is just one example. we have couple of website which are not working because of this issue.
you can check global DNS
https://www.whatsmydns.net/#NS/daewoowreckersmelbourne.com.au