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Getting Started with SPF Analysis

10 Mar 2026 Guide

Learn how to validate SPF records, detect misconfigurations, and protect your domain from email spoofing using DomainDetective.

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Domain Detective

Comprehensive domain analysis toolkit. 115+ protocol checks for DNS, email security, TLS, and web security. Privacy-first online analysis with browser-native checks and deeper validation where available.

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SPF Lookup
DKIM Lookup
DMARC Lookup
DNS Lookup
DNSBL Check
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Quick Start
DnsClientX Toolkit
C# API Reference
PowerShell API Reference
Raw DNS Query
DnsClientX Docs
CLI Usage
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GitHub Repository

Company

Evotec Services
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Privacy-first online analysis with browser-native checks and deeper validation where available, with no analysis results stored.