Hello there, I have an API Gateway on Oracle Cloud Infrastructure. There is a simple Apache server behind it on a Linux VM. I am able to access directly through API Gateway’s end point FQDN. However I am unable to access the API Gateway’s endpoint through a CNAME Record on my Cloudflare DNS. Does…

CName Record returns 521 error

Website, Application, Performance DNS & Network

cs-cf July 7, 2020, 7:31pm 2

A 521 error happens when Cloudflare is unable to make a TCP connection to your origin server. Review the suggestions in this Community Tip for Quick Fix Ideas.

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CName Record returns 521 error

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