For some reason my domain and subdomains are not working. Not even resolve to an IP address. It’s like the DNS does not know their existance. But they were working fine until this morning.
Is Cloudflare has issues with DNS ?
The sub-domain is mobile.onetwothreehigh.com and the domain is onetwothreehigh.com
Does anyone else has any issues ?
You have a DNSSEC issue…
https://cf.sjr.org.uk/tools/check?41f2969adda6480ab6d468b8b6daa136#dns
You need to either disable DNSSEC at your registrar, or enable it at Cloudflare and copy the DS records to your registrar from your dashboard here…
https://dash.cloudflare.com/?to=/:account/:zone/dns/settings
Thank you! I found out this morning also. I deleted the record and then after 1 hour suddedly it worked like a charm.
How did you found out from that page that it was a DNSSEC issue ? I need to keep this tool!
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At the lower end of the DNS section, there is a portion that shows the existing DS record, and if they don’t match what Cloudflare’s DS records start with, it will show you.
DNSSEC uses these records to make sure that the DNS Zone responding with the record entries is the only zone which is authorized to do so. Someone trying to impersonate your zone’s DNS won’t have those records, so it won’t work.