PowerShell module for checking SPF, DKIM, and DMARC records for one or multiple domains. This module also checks for the existence of MTA-STS and whether DNSSEC is configured. This module supports Windows, Linux, and macOS platforms with PowerShell Core.

Integris PowerShell module

Module provides functions for SPF record analysis.

PowerShell module with custom helper functions.

Email deliverability diagnostics for any domain - SPF, DKIM, DMARC, MX, PTR, and blacklist sweep (41 lists).