Email Domain Checker
How to Check Email Domains

Paste Domains or Emails
Add up to 100 entries. Paste domains or entire email addresses and we’ll handle the rest.
Run the Checker
Click “Check Email Domains” and let the tool work. Results arrive in real time.
Review MX Records
See which domains can receive email and where messages will be delivered.

Why It Matters
Email Routing
Know exactly which inbox provider handles messages for each domain before you send important email.
Deliverability Monitoring
Quickly confirm that new or migrated domains can receive mail so your team never misses a message.
Security & Compliance
Spot unexpected delivery targets that might indicate misconfiguration or tampering.
Pro Tips for Email Domain Verification
Batch Email Campaign Preparation
Before launching email marketing campaigns, use our email domain checker to validate all sender domains. This ensures your messages reach intended recipients and maintains your sender reputation score with email providers.
Domain Migration Verification
After migrating your email service to a new provider, verify MX records are properly configured. Our email domain checker instantly confirms if domains can receive email through the new mail servers.
Security Audit Integration
Security professionals use email domain checker tools during penetration testing to identify potential email spoofing vulnerabilities and verify SPF/DKIM configurations across multiple domains.
Email Domain Best Practices
Professional Email Deliverability
According to Mailchimp's deliverability experts, domains with properly configured MX records achieve 98% higher inbox placement rates. Regular email domain checking prevents common delivery issues that affect business communication.
Bulk Domain Management Strategy
For agencies managing multiple client domains, implement quarterly email domain checker audits. This practice, recommended by IT governance frameworks, ensures consistent email functionality across all client accounts.
Frequently Asked Questions
What does “Email Domain: Yes” mean?
It means the domain is ready to receive email. We list the destinations where mail will be delivered.
Do you store any of the domains I check?
No. Checks run in real time and nothing is stored or logged.
Why do I see an error for certain domains?
Most errors come from typos or unreachable domains. Fix the address or try again later.
Can I export the results?
Copy directly from the table today. CSV export is on the roadmap.