What is a DNS Error? What It Is, Why It Happens & How to Fix It Learn what a DNS error means, why it happens, and how to fix it in under 5 minutes.
WebTitan vs. Cisco Umbrella Compare Cisco Umbrella vs WebTitan on features, pricing, and performance to find the right DNS filtering solution for your business
How to Block Torrenting at Work, School, and on Public Wi-Fi Learn how to block torrenting on your network with DNS filtering, firewall rules, and other proven methods.
DNS-over-TLS (DoT) vs DNS-over-HTTPS (DoH): What’s the Difference? Learn which encrypted DNS protocol is best for security, compliance, and network control in 2025.
How Do Schools Block Websites? A Complete Guide for 2025 Discover the tools, methods, and reasons behind why schools block harmful or distracting websites, and why DNS filtering is the most effective.
DefensX vs. Cisco Umbrella A head-to-head comparison of both across features, performance, and more, with insight into a third alternative that could be the best pick.
What is a Zero-Day Attack? Complete Guide to Prevention Learn what a zero-day attack is, how it works, who’s behind it, and 8 proven ways to protect your business from these stealthy cyber threats.
What is DNS-over-TLS (DoT)? Discover what DNS-over-TLS is, how it works, and why it protects your DNS privacy. Learn how to use DoT with Control D for full encryption and filtering.
Announcements Updates – May 2025 May’s updates include a powerful DNS Leak Test tool, AI-generated Profiles, smarter analytics, faster rule management, and more.
Use Cases How to Prevent Ransomware Attacks: 12 Proven Methods Learn how to prevent ransomware attacks with this expert guide. Get step-by-step tips, DNS filtering advice, and threat prevention best practices.
What is DNS-over-HTTPS (DoH)? Learn what DNS-over-HTTPS (DoH) is, how it works, and how to use it for secure, private internet browsing.
Cloudflare vs. WebTitan: What's the Better Choice? Explore features, pricing, support, and analytics to see which DNS filtering solution fits your needs, as well as a better alternative to both.
Cloudflare vs. DefensX: Who Wins? We compare features, analytics, support, and more to determine the best option for you, and introduce a third choice that outperforms both.
DNSFilter vs. NextDNS See which DNS service wins in performance, features, analytics, pricing, and more – and why a third option may beat them both.
AdGuard DNS vs. Cisco Umbrella: What's the Better Choice? Which solution offers superior pricing, features, support, and performance? We break it down and also explore a third contender worth considering.
NextDNS vs. Cloudflare: How Do They Compare? A deep dive into features, pricing, support, analytics, and performance, plus a look at a third option that might beat them both.
SMB Network Security Checklist: 11 Steps to Protect Your Business Protect your SMB with 11 actionable steps to secure devices, data, and users – including DNS-level protection with Control D.
DNS Filtering + CDN Strategy: How to Optimize Content Delivery and Security Discover how DNS filtering enhances CDN performance, blocks malicious traffic, and ensures content reaches users faster.
Network Security Audit Checklist: How to Identify and Fix Vulnerabilities Learn how to detect vulnerabilities, enforce DNS security, and enhance visibility and protection with this step-by-step checklist.
Use Cases How to Mitigate DDoS Attacks with Strategic DNS Configuration Learn how to configure your DNS layer for resilience and control. Discover best practices and how Control D helps block amplification, filter malicious traffic, and maintain uptime.
Malware Defense 101: How to Block Malicious Content at the DNS Layer Discover how modern malware defense works and why DNS filtering is one of the most effective ways to block malicious content before it hits your devices.
Use Cases DNS Analytics 101: How to Improve Network Visibility and Security with Real-Time Insights Unlock real-time visibility and learn how to detect threats, monitor usage, and enforce policies using Control D’s customizable DNS platform.
How Content Filtering Improves Workplace Productivity Discover how modern content filtering tools like Control D help boost workplace productivity by reducing distractions, improving security, and keeping networks fast.
Use Cases DNS Security Explained: A Complete Guide to Protecting the Internet’s Most Overlooked Layer This guide explains DNS security, common threats, and how Control D protects your network from spoofing, tunneling, and malware.
Use Cases How to Set Up YouTube for Kids Safely (2025 Guide for Parents) Learn how to set up YouTube Kids and protect your child with age-appropriate filters, parental controls, and DNS-level protection.
