Wildcard SSL Certificate with Let's Encrypt via Certbot

Security · 19.04.2026
Wildcard SSL Certificate with Let's Encrypt via Certbot 
sudo certbot certonly   --dns-cloudflare   --dns-cloudflare-credentials /etc/letsencrypt/cloudflare.ini   -d "*.example.com" -d "example.com"
✅ With Cloudflare API, auto-renewal works completely automatically via systemd timer.
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