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Gmailo.ai

The world's most advanced AI-powered email automation platform. Built for high growth teams who demand precision and deliverability.

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Blogs

  • Why Emails Go to Spam
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Comparison

  • Gmailo vs Mailmeteor
  • Gmailo vs GMass
  • Gmailo vs YAMM
  • Gmailo vs Mergo
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Glossary

  • A/B Testing
  • Acceptance Rate
  • AMP Email
  • Authentication
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Email Templates

  • Cold SaaS Email Template
  • First Follow-Up Template
  • Second Follow-Up Template
  • Breakup Follow-Up Template
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Tools

  • SPF Checker
  • DKIM Checker
  • DMARC Checker
  • Email Checker
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Alternatives

  • GMass alternative
  • Mailmeteor alternative
  • YAMM alternative
  • Mergo alternative
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GMAILO.AI

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ToolsDKIM Checker

DKIM Checker

Verify DKIM by checking your selector record and key format.

Authentication Tool

About DKIM Checker

DomainKeys Identified Mail (DKIM) adds a digital signature to your emails, allowing recipients to verify that the email was actually sent by your domain and wasn't altered in transit.

Key Features

1

Validate DKIM public key format

2

Check key length (1024 vs 2048 bit)

3

Verify selector presence

4

Test common selectors (google, default, etc.)

5

Check for hash algorithm compatibility

Frequently Asked Questions

How it Works

DKIM Checker thumbnail
1

Provide your domain and the DKIM selector used by your mail provider.

2

If you don't know the selector, we probe common ones.

3

We fetch the TXT record from your DNS settings.

4

The key is extracted and validated for cryptographic correctness.

5

We report on the technical health of your DKIM setup.

Related Tools

SPF Checker

Check SPF syntax, includes, redirect chains, and the 10-DNS-lookup limit.

DMARC Checker

Check your DMARC record and get a safe policy recommendation.

Email Header Analyzer

Paste raw email headers to see SPF/DKIM/DMARC results.

Did you know?

Businesses using Gmailo save 12+ hours a week. Our AI handles replies, follow-ups, and scheduling while you focus on closing deals.

Try it free
Free

Send smarter emails with AI

Connect multiple emails, Automate emails, manage replies, and track results all in one inbox.

Inbox
Campaigns
AI Replies
Follow-ups
Teams
Templates
Schedule
Analytics
AI-written reply suggestions
Automated follow-up sequences
Campaign open & click tracking
Unlimited connected accounts
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