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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
  • New Domain Checklist
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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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ToolsSPF Checker

SPF Checker

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

Authentication Tool

About SPF Checker

The SPF Checker is an essential tool for verifying your Sender Policy Framework (SPF) records. It ensures that your email servers are authorized to send emails on behalf of your domain, preventing spoofing and improving deliverability.

Key Features

1

Validate SPF syntax and formatting

2

Check the 10-DNS-lookup limit

3

Detect multiple SPF records

4

Analyze include chains and redirects

5

Verify +all tag usage

Frequently Asked Questions

How it Works

SPF Checker thumbnail
1

Enter your domain name in the input field.

2

Our tool performs a DNS lookup for TXT records starting with v=spf1.

3

We parse the record and follow all includes to calculate the total lookup count.

4

Each mechanism is validated against RFC standards.

5

A comprehensive report is generated with suggested fixes.

Related Tools

DKIM Checker

Verify DKIM by checking your selector record and key format.

DMARC Checker

Check your DMARC record and get a safe policy recommendation.

MX Record Checker

Check MX records, priorities, and provider hints.

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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