What Is a CAA DNS Record and Why It Matters for SSL

How a CAA record controls which certificate authorities are allowed to issue certificates for your domain.

Mar 23, 2026

Understanding Certificate Pinning

What certificate pinning does, why it's mostly used in mobile apps, and its real trade-offs.

Mar 22, 2026

Fixing Mixed Content Warnings on an HTTPS Site

What causes mixed content warnings, and the practical fix for finding and updating the offending links.

Mar 21, 2026

What Is HSTS and Why You Should Enable It

How HSTS forces browsers to always use HTTPS, closing a subtle but real security gap.

Mar 20, 2026

Understanding Certificate Authorities and How SSL Trust Works

Why browsers trust some SSL certificates and not others, and the role certificate authorities play.

Mar 19, 2026