How to Check If Your Website Has SPF and DMARC Records (And Why Email Security Matters)
SPF and DMARC records stop attackers from sending emails as your domain. Here’s how to check yours in 10 seconds, and what to do if they’re missing.
Security Guides
How to Check Your SSL Certificate (And Why It Matters)
Your SSL certificate is the padlock in your browser’s address bar. Here’s how to check if it’s valid, when it expires, and what to do if it’s broken.