ERR_CERT_AUTHORITY_INVALID for one specific user/IP?

HI there,

Getting this error after setting up Origin Certificate (and using Full (Strict) mode) - but it only appears to be happening for one specific user / IP address as far as I can tell. If I use a VPN, it’s fine and many others are able to access without issues.

Does anyone have any ideas of what could be causing this? My hosting company have confirmed everything looks correct and is working from their end too.


This will be a DNS propagation issue on that connection and you’ll be still connecting straight to your server. Check the DNS resolver and try to flush it.

Thanks for the reply! Apologies - when you say DNS resolver, can you point me in the right direction as to where I can find / use that? Thanks!

That depends on the setup, but you need to make sure the DNS resolver in question uses the up-to-date data. I would contact the responsible network administrator.

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