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Email Validation Tools

Generate SPF Records Perfectly

Create compliant SPF records with our visual editor. Configure mail servers, includes, and policies with built-in lookup limit checking and syntax validation.

Features

Powerful SPF Record Creation

Generate compliant SPF records with visual editing and comprehensive validation

Visual Editor

User-friendly interface to add IP addresses, domains, and mail servers without complex syntax.

Syntax Validation

Real-time validation ensures your SPF record is properly formatted and RFC compliant.

Lookup Limit Check

Automatic DNS lookup counter to stay within the 10 lookup limit and avoid SPF failures.

Policy Configuration

Choose between Pass, Fail, SoftFail, or Neutral policies for unauthorized senders.

Common Provider Templates

Pre-built templates for popular email services like Google Workspace, Microsoft 365, and SendGrid.

Deployment Guide

Step-by-step instructions for adding SPF records to your DNS provider with verification tips.

Simple Process

How SPF Record Generator Works

Get started in three simple steps and create production-ready SPF records

1

Add Mail Servers

Add your authorized mail servers, IP addresses, and third-party services using the visual editor

2

Validate & Optimize

Our tool validates syntax, checks DNS lookup limits, and suggests optimizations

3

Deploy to DNS

Copy the generated SPF record and add it to your DNS following the deployment guide

Why SPF Records Are Critical for Email Delivery

Sender Policy Framework (SPF) records authorize which mail servers can send emails on your behalf. Properly configured SPF prevents your emails from being marked as spam and protects against domain spoofing.

Background
Create optimized SPF records that authorize legitimate mail servers and prevent unauthorized senders from using your domain.
Generate SPF
  • Authorize legitimate mail servers for your domain
  • Prevent domain spoofing and email fraud attempts
  • Improve inbox placement with proper authentication
  • Support multiple email service providers seamlessly
SPF Record Generator Use Cases
Use Cases

Protect Your Email Infrastructure

SPF Record Generator helps organizations implement email authentication and prevent unauthorized email sending

  • Email Security Setup

    Implement SPF authentication to prevent domain spoofing and email forgery

  • Multi-Server Configuration

    Authorize multiple mail servers and third-party email services in one SPF record

  • Deliverability Improvement

    Improve email deliverability by implementing proper sender authentication

  • Migration Support

    Update SPF records when migrating to new email providers or adding new sending services

Achieve 99.9% Email Delivery Success

Power your campaigns with NoBounz's professional email validation service. Verify millions of addresses, eliminate hard bounces, and maximize ROI with bulk email verification trusted by top marketers.