Unable to get lets encrypt certificate on subdomain

[geintoura]

Hi everybody,

I got a 400 error when i try to recover a certificate with lets encrypt in vesta panel for preprod.mydomain.com
I don't understand cause the certificate for mydomain.com and www.mydomain.com is ok.

Can anybody help me please ?

[grayfolk]

Hi everybody,

I got a 400 error when i try to recover a certificate with lets encrypt in vesta panel for preprod.mydomain.com
I don't understand cause the certificate for mydomain.com and www.mydomain.com is ok.

Can anybody help me please ?

Did you create A, AAAA or CNAME record for preprod.mydomain.com?

[geintoura]

I created the A field only and I'm able to access to it by http on chrome without problem.

It's only the certificate who is a problem