DNS automation guide

What is a DNS API?

A DNS API lets scripts, apps, or systems change DNS records programmatically instead of requiring a person to edit them by hand.

AutomationChange DNS from scripts or applications.
Dynamic updatesKeep hostnames current when IP addresses change.
ValidationCreate TXT records for DNS-based workflows.

What a DNS API can do

  • Update Dynamic DNS hostnames
  • Create or change A, AAAA, TXT, CNAME, MX, and other records
  • Automate certificate validation workflows
  • Apply repeatable DNS changes from scripts or applications

Typical flow

  1. 1. AuthenticateCreate and use an API key for access.
  2. 2. Send a requestYour script or app submits the DNS change.
  3. 3. DNS updatesThe hosted DNS record changes without manual entry.

Need repeatable DNS updates?

DNSExit DNS API supports Dynamic DNS updates and hosted-record automation from scripts and applications.

Open DNS API docs Read managed DNS basics
Explore by goal

Keep moving with the guide that matches the problem.

Keep remote access working Start with Dynamic DNS when your public IP changes. Fix email delivery Separate outbound sending issues from inbound mail problems. Automate DNS and SSL Use API-driven DNS updates and validation workflows. Compare service options Choose the right email setup before you commit.
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