#security

3 posts tagged with security

#browser-security #caa #certificate-transparency #certificates #compliance #dns #google #security #tls

Implementing CAA Record Validation in TLS Certificate Analysis

November 3, 2025•4 min read

Learn how we added Certificate Authority Authorization (CAA) DNS record validation to our TLS analyzer, including a robust 6-tier DNS fallback strategy to ensure reliable lookups.

tlssecuritycertificates

Integrating Certificate Transparency Validation into TLS Analysis

November 3, 2025•8 min read

Certificate Transparency (CT) logs are now required by browsers for all publicly trusted certificates. Learn how we validate CT compliance and what it means for web security.

tlssecuritycertificates

Certificate Validity Periods: The 398-Day Rule and Why It Matters

November 3, 2025•6 min read

Modern browsers enforce strict limits on TLS certificate validity periods. Learn about the 398-day rule, why it exists, and how we detect certificates that violate these industry standards.