UltraDNS & UltraDNS²

February 25, 2026

Why Organizations Need Multi-CDN Architecture Support From DNS Providers

Learn why multi-CDN relies on enterprise DNS, including DNS-based traffic steering, failover, global routing, and what to look for in a DNS provider.

February 9, 2026

SSL Certificate Basics: The What, Why, and How

Discover everything you need to know about SSL certificates with this comprehensive guide. Learn the basics, understand why they're essential, and how to implement them effectively.

February 3, 2026

Understanding the Domain Name System

New to DNS? Learn the essentials of the Domain Name System and its role in connecting users to websites effortlessly in this informative guide.

January 26, 2026

DNS Forwarders Gone Rogue: The Invisible Infrastructure Vulnerability

DigiCert's UltraDNS's one-click DNSSEC protection combined with built-in DDoS mitigation transforms DNSSEC into a security asset.

December 22, 2025

What Is Port 53?

Discover the purpose of port 53 and why it's essential for your internet connections. This guide will explain everything you need to know about port 53.

December 16, 2025

Why Organizations Should Avoid Self-Signed Certificates

Uncover the potential dangers of using self-signed certificates and why they might be a risky option for your organization’s secure communications.

November 25, 2025

Using TLD to Secure Your Online Presence

Choosing and managing a top-level domain (TLD) impacts security, trust, and brand protection, safeguarding an organization’s online presence.

November 12, 2025

Vercara DNS Analysis Report – October 2025

UltraDNS delivers secure, resilient DNS with visibility into attack trends. This report analyzes global DNS traffic to reveal evolving threats and risks.

November 4, 2025

What Is Port 53 and Its DDoS Attack Risk?

Learn how to protect your organization from DNS port 53 DDoS attacks with actionable strategies, including query limits, traffic filtering, and redundant networks. Keep your DNS fast, reliable, and secure under any threat.

October 22, 2025

DNS Logs: From Raw Data to Actionable Insights

Learn DNS best practices for turning raw DNS logs into actionable threat intelligence. Discover how to enhance visibility, reduce noise, and build a resilient DNS infrastructure that supports security and compliance.

October 7, 2025

Vercara DNS Analysis Report – September 2025

Monthly UltraDNS report analyzing 4.17T DNS queries, record trends, response codes, IPv6 adoption, and DDoS activity for September 2025.

October 7, 2025

Overcoming DNSSEC Challenges: A Guide for TLDs

Organizations face significant challenges when implementing DNSSEC. With automation, they can overcome these challenges and gain the security and business continuity benefits that DNSSEC provides.

UltraDNS & UltraDNS²

DigiCert Resources

UltraDNS & UltraDNS² Resources

Vercara: A Leader in Securing Online Experiences

Webinar: WAAP is Here to Stay: Combining API Protection and Cloud Application Security

Weekly Updates on the Cyber Threat Landscape

Cybersecurity Insights That Are Ahead of the Curve

Weekly Updates on the Cyber Threat Landscape

Cybersecurity Insights That Are Ahead of the Curve

Weekly Updates on the Cyber Threat Landscape

Cybersecurity Insights That Are Ahead of the Curve