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security

What Is a DNS CAA Record and How to Use It to Enhance SSL Certificate Security

DNS CAA (Certification Authority Authorization) records let domain owners specify which certificate authorities (CAs) are allowed to issue SSL/TLS certificates for their domain. By adding a CAA record, you reduce the risk of rogue or unauthorized certificate issuance, closing a common vector for man-in-the-middle attacks. This article explains how CAA records work, how to set them up, and how tools like a DNS analyzer can help you verify your configuration.

May 22, 2026 124 views
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security

How to Check if Your Domain Is Blacklisted and How to Fix It

Being blacklisted can destroy your email deliverability and tank your website traffic. This guide shows you how to quickly check if your domain is on any major blocklist, explains the most common causes, and gives you a step-by-step action plan to get delisted and stay clean.

May 19, 2026 126 views
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security

DNSSEC Explained: How It Protects Your Domain from DNS Spoofing and Cache Poisoning

DNSSEC (Domain Name System Security Extensions) protects websites from DNS spoofing and cache poisoning by cryptographically signing DNS records. This article explains how DNSSEC works, why it matters, and provides practical steps to enable it on your domain—helping you keep visitors safe from redirect attacks and impersonation.

May 10, 2026 149 views
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