DevOpsintermediate

DNS Record

An entry in a DNS database that maps a domain name to an IP address or another domain, directing internet traffic to the right server.

Detailed Explanation

A DNS Record is a single entry in the DNS system that tells the internet where to send traffic for your Domain.

The most common types:

A Record — Points your domain directly to an IP address. When someone types yourdomain.com, the A record tells their browser which Server to connect to.

CNAME Record — Points a subdomain (like www.yourdomain.com) to another domain name. Often used to point www to your root domain or to a Hosting service.

TXT Record — Stores text data, often used for domain verification (proving you own the domain).

When you deploy to a service like Google Cloud Run, the service tells you which DNS records to add. You copy those records into your domain registrar (like GoDaddy) and save. After DNS propagation (usually 10-30 minutes, sometimes longer), your domain points to your app.

DNS records are managed through your domain registrar's dashboard, not through your app's code.

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