DNS Checker

Check any domain’s live DNS — including the email-authentication records that decide whether your mail reaches the inbox.

Who this is for

•Anyone setting up a domain or business email.

•Developers debugging routing and deliverability.

How it helps you

•Learning: See real records and understand what each one does.

•Business: Catch misconfigurations that break email or your site.

•Deployment: Confirm records propagated correctly after changes.

How to use it

1. Enter your domain.

2. Review A/AAAA, MX, SPF, DKIM, and DMARC.

3. Fix any missing or incorrect records.

4. Re-check to confirm propagation.

FAQ

Why is a record missing?

It may not be added yet, or DNS caching is delaying propagation.

What records matter for email?

MX for routing, plus SPF, DKIM, and DMARC for deliverability.

Related service

Put this into practice: Open DNS Checker.