Cyber toolkit

Website and Email Security Checker

Group DNS, DMARC, SPF, DKIM, SSL, blacklist, WHOIS and email header checks in one security entry point.

Website and Email Security Readiness

Check website, SSL, DNS and mailbox controls together in one readiness review.

Open Tool

DNS / DMARC Checker

Review DNS, SPF, DKIM and DMARC records that protect your email domain.

Open Tool

SPF / DKIM Validator

Validate key email authentication records and identify practical fixes.

Open Tool

SSL Certificate Checker

Check SSL certificate details, expiry, issuer and website encryption status.

Open Tool

Blacklist Checker

Check whether a domain or IP appears on common warning lists.

Open Tool

WHOIS Lookup

Look up domain registrar, ownership and expiry information.

Open Tool

Email Header Analyzer

Inspect email routing, sender checks and suspicious delivery clues.

Open Tool

Why these tools are grouped

This page keeps related tasks together so customers can find the right workflow without scrolling through too many separate cards. The individual tools remain available for existing links and search results.

Need help with this?

MDS can help with IT support, cyber security, Microsoft 365, graphics, documents and business technology planning.