How to Get Letsencrypt Wildcard Certificate (Using Letsencrypt Nginx DNS Challenge)

Letsencrypt wildcard certificate allows you to have a single free wildcard SSL Letsencrypt certificate for all your subdomains. Letsencrypt Wildcard certificate can only be obtained with Letsencrypt DNS Challenge. With Letsencrypt Wildcard Certbot you can request a certificate, but you need to manually create TXT records for your domain to verify ownership. Letsencrypt wildcard certificate can be used with Nginx to serve traffic for your subdomains. Obtained a Letsencrypt wildcard certificate that will be valid for all your subdomains.

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⏱️TIMESTAMPS⏱️
0:00 Intro
0:11 Demonstrate Letsencrypt Wildcard Certificate
0:55 Install Necessary Ubuntu Packages
1:22 Letsencrypt Manual Mode
2:15 Letsencrypt Manual DNS Challenge
4:48 Letsencrypt Nginx DNS Challenge Configuration
7:29 Create Subdomain to Verify Letsencrypt Wildcard Certificate

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Source Code
📚 – Instructions: https://antonputra.com/letsencrypt-wildcard-certificate

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by Anton Putra

linux dns configuration