How to get a certificate for a specific subdomain when using a wildcard domain

[timelordx]

Use tls force_automate for your sub.example.com

Problems mixing automatic and on demand TLS

You didn’t mention which version of Caddy you’re using, so I’ll assume it’s somewhere in the 2.10.x range. Starting with version 2.10.0, if there’s a wildcard domain configured, its wildcard certificate will be used for all matching subdomains. From the v2.10.0 release notes: Wildcards used by default: Previously, Caddy would obtain individual certificates for every domain in your config literally; now wildcards, if present, will be utilized for subdomains, rather than obtaining individual …