Wild card certificates and host certificates

Help
1

Is It posible to hace both hosts certificates and a wildcard certificate?

Host certificates will be usted for HTTPS trafic. The wildcard for securing a exchange mail server?

2

Hi @tvvpm

a wildcard certificate has normally two domain names:

*.example.com
example.com

So yes, it's possible.

The limitation: To validate a wildcard challenge, dns-01 validation is required.

But it's possible to use dns-01 validation to validate *.example.com and http-01 validation to validate example.com.

Certbot doesn't support such a mixed validation.