Cloudflare DNSs config cant be validated by AWS Certificate Manager (ACM)

Website, Application, Performance
1

What is the name of the domain?

serseguridad.com

What is the error message?

Certificate status: Failed (in AWS Certificate Manager (ACM))

What is the issue you’re encountering

ACM is having issues while trying to validate the DNS’s i have configured in Cloudflare

What steps have you taken to resolve the issue?

I have removed the dot ( . ) at the end of CNAME and VALUE ( i think Cloudflare also does that by default)
When created them used ‘DNS Only’ (no proxied)
i had used ‘dig’ and ‘DNSChecker’ to validate the CNAMES are reachable
I had tried just creating cert for 1 domain to test the case base
I had removed and re created the cert request

Always having the same result.

What are the steps to reproduce the issue?

Request the creation of a certificate in ACM for the domains: api serseguridad com, serseguridad com and www serseguridad com
AWS gives me this 3 domains to configure them.

DOMAIN CNAME TYPE CNAME VALUE

I configured them on Cloudflare
AWS ACM shows FAILED in their status, so it is failing to validate them through the configuration I made on cloudflare

2

Forgot to add, im using
DNS validation in AWS ACM

3

Ok solved!
In case its useful to someone…

My issue was, i was just adding the CNAMEs which is something I have to do… but the DNS Records in Cloudflare didn’t included this configuration, that is needed for AWS to be able to generate the certificate I needed

So after I configured 2 DNS records in cloudflare per url (1 for wildcare, 1 for literal) for each of this domains

  • amazon .com
  • amazontrust .com
  • awstrust .com
  • amazonaws .com

I got the wanted SUCCESS

4

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