Posts tagged domains

How to Generate Wildcard SSL Certificate using Let’s Encrypt/Certbot on CentOS

Today I wanted to generate a wildcard SSL certificate for a service I was working on. Luckily, Let’s Encrypt’s ACME v2 production endpoint makes it so easy to generate wilcard certificates (for more details on this feature, see this post). Below are the steps I used to generate a wildcard certificate.


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How to set up a wildcard subdomain on Google Domains

Today, I was working with dokku, and I found myself in need of a wildcard subdomain. A wildcard DNS record is a record that will match requests for non-existent subdomains. For instance, if you set a wildcard DNS record to *, and a user requests or, etc.. the requests will be forwarded to whichever server * points to.

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