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Free checker always available

Simple pricing

Check any domain for free. Add monitoring to stay compliant as requirements evolve.

✓ 30-day free trial
✓ Cancel anytime
✓ No setup fees
Free
$0 /forever

 

Free checks and 1 monitored domain

✓ Unlimited one-off domain checks
✓ 1 domain with weekly monitoring
✓ 1,000 contacts
✓ 1,000 sends/mo
✓ SPF, DKIM, DMARC, MX, blacklist checks
✓ Compliance score
✓ Email alerts
✓ No signup required for checks
Check your domain
Pro
$29 /month

 

For small businesses

✓ 5 domains with daily monitoring
✓ 2,500 contacts
✓ 5,000 sends/mo
✓ Unlimited sending accounts
✓ Slack & email alerts
✓ Google Postmaster integration
✓ 5 inbox placement tests/mo
✓ Merge tag personalization
✓ Email support
Most Popular
Business
$59 /month

 

For growing companies

✓ 15 domains with hourly monitoring
✓ 10,000 contacts
✓ 25,000 sends/mo
✓ Unlimited sending accounts
✓ Slack, email & webhook alerts
✓ Google Postmaster integration
✓ 25 inbox placement tests/mo
✓ HTML deliverability reports
✓ Up to 10 seats
✓ Priority support
Agency
$109 /month

 

For MSPs & agencies

✓ 50 domains with hourly monitoring
✓ 50,000 contacts
✓ 100,000 sends/mo
✓ Unlimited sending accounts
✓ Slack, email & webhook alerts
✓ Google Postmaster integration
✓ 100 inbox placement tests/mo
✓ HTML deliverability reports
✓ API access
✓ Up to 25 seats
✓ Dedicated support
Enterprise
Custom

 

For large teams & MSPs

✓ Custom domain & contact limits
✓ Custom send & seat limits
✓ Hourly monitoring
✓ All alerts (Slack, email, webhook)
✓ Google Postmaster integration
✓ Inbox placement testing
✓ HTML reports & API access
✓ SSO / SAML
✓ SLA
✓ Dedicated CSM
Contact Sales

Frequently Asked Questions

Are you affiliated with Google or Microsoft?

No. Gmail, Google Workspace, Outlook, and Yahoo are trademarks of their respective owners. Celeric is independent and is not endorsed by Google or Microsoft. We describe compatibility with common mail providers in plain language only.

How does the free checker work?

Enter any domain and we instantly check SPF, DKIM, DMARC, MX records, blacklist status, and DNS configuration. No signup required.

What's included in paid monitoring?

Paid plans include scheduled compliance checks (daily on Pro, hourly on Business and Agency), historical score tracking, and fix recommendations with copy-paste DNS records. Email alerts on score changes are on all paid plans; Slack starts at Pro; webhooks start at Business.

Can I change my plan later?

Absolutely. Upgrade, downgrade, or cancel anytime. Changes take effect immediately and we'll prorate any billing differences.

Do you offer a free trial?

The domain checker is always free. Paid monitoring plans come with a 30-day free trial, no credit card required.

What is inbox placement testing?

Pro, Business, and Agency plans include inbox placement testing: we send to Gmail, Outlook, and Yahoo seed mailboxes and record inbox vs spam. When a test completes, results appear in the Inbox Placement Tests section on that domain's detail page.

Do you support multiple domains?

Yes. Pro covers 5 domains, Business covers 15, Agency covers 50. Need custom limits? Enterprise has you covered — contact us.

Start with a free check

No signup needed. Check your domain now and see exactly where you stand on email deliverability.

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Privacy Terms

Gmail, Google Workspace, Outlook, and Yahoo are trademarks of their respective owners. Celeric is independent and is not affiliated with, endorsed by, or sponsored by Google or Microsoft.