Skip to main content
CheckTown

Email Validator

Check syntax, domain, MX records, and deliverability in one click. Free, no account needed.

Enter an email address above to start validation

We check syntax, domain, MX records, and more

What we check

Syntax Check

Validating email format and structure

Domain Verification

Checking domain existence and DNS records

Disposable Check

Checking against known disposable email providers

MX Records

Looking up mail exchange server records

Deliverability Score

Analyzing inbox placement probability

Reputation Check

Scanning against known spam databases

Learn More

Email Validation: The Complete Guide to Verifying Email Addresses

Learn how email validation works, why it matters, and how to check any address in seconds.

What Is Email Validation?

Email validation is the process of verifying that an email address is correctly formatted, has a real domain, and can actually receive messages. It goes far beyond checking for an @ symbol — a thorough validator runs multiple independent checks to confirm deliverability.

6 min readRead full guide