Overview

EmailListVerify’s SPF Record Checker is a free, web-based tool that lets you instantly validate the SPF (Sender Policy Framework) record for any domain. It helps prevent email spoofing and boosts trust with receiving mail servers by ensuring your email is properly authenticated and more likely to land in the inbox. The SPF record is retrieved via DNS and parsed to confirm configuration correctness, highlight syntax or lookup errors, and advise on best practices to optimize deliverability and security.

Features and Capabilities

• **Validation of SPF existence: **Checks whether an SPF (TXT) record is published for the domain in DNS and flags if it’s missing.
• **Deliverability insights: **Explains how a correctly configured SPF improves deliverability by proving authenticity to mailbox providers, thereby reducing spam folder placement.
• **Configuration diagnostics: **Parses the SPF record to detect syntax issues, improper mechanisms, or errors in the record’s structure.
• **DNS lookup limit detection: **Identifies if your SPF record exceeds the standard limit of 10 DNS lookups—an important constraint that can break SPF validation.
• **Policy guidance: **Explains the difference between "~all" (SoftFail) and "-all" (Fail), helping you set the right strictness for handling unauthorized senders.
• **Single record enforcement: **Flags if multiple SPF records are published for the same domain, which causes Permanent Errors (PermError) and invalidates SPF.