Bug with Cloudflare Dynamic DNS causing data loss
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There seems to be an issue with Dynamic DNS updating the wrong records on Cloudflare when using subdomains. For example:
record.example.com <-- Exists in Cloudflare and Dynamic DNS shouldn't touch this
ddns.record.example.com <-- Exists in Cloudflare and is set in pfSense to update via Dynamic DNS
With these settings pfSense will overwrite record.example.com not the correct ddns.record.example.com, causing data loss.