Use Cases

The Role of DNS Security in Preventing Data Breaches

DNS is a critical, yet overlooked, component of your cybersecurity posture. Learn how to utilize DNS security to prevent data breaches.

Updates – September 2025

September Control D updates: Entra ID, Slack/email routing for page unblock requests, API token allowed IPs + editing, and much more.

Do You Really Need DNS Security? A Simple Self-Check

Here’s a simple self-check of five must-ask questions to consider when weighing whether DNS security is something you need to take seriously.

Case Study: Enhancing Nonprofit Cybersecurity with Control D

Control D is the preferred DNS security vendor for Good Heart Technology. Read how they help their non-profit clients guard against cyber threats.

Use Cases

Why the DNS Is the Internet’s Weakest Link

Attackers and malicious entities often target DNS. Discover how to fortify this fragile yet critical foundation of the internet.

Why Every Business Should Care About DNS Security

Learn how DNS is the first layer of cybersecurity defense, and why businesses ignore it at their own peril.

Use Cases

Cisco Umbrella vs. Infoblox: What's the Better Choice?

Deciding between Cisco Umbrella and Infoblox? Compare costs, features, support, and more, and explore a smarter and better alternative to both.

Top Infoblox Alternatives in 2025 [DNS + DDI]

Discover the best Infoblox alternatives for DNS security and full DDI. Compare Control D, BlueCat, EfficientIP & more to find the right fit for you.

Use Cases

8 Best DNSFilter Alternatives [Ranked & Reviewed]

We rank the best DNSFilter alternatives and competitors in terms of price, features, user experience, reviews, and more.

Use Cases

Control D vs. DNSFilter: How Do They Compare?

We compare popular Control D and DNSFilter, and break down our analysis into price, features, reviews, blocking capabilities, and more.

Control D vs. Infoblox

Control D or Infoblox? Discover which DNS security solution offers better features, reporting, and value for enterprises, MSPs, and schools.

How to Flush DNS: Your Complete Guide

Complete guide to flushing DNS on Windows, Mac, Linux, routers, and mobile devices. Solve connection issues and protect your privacy fast.

Best DNS Servers for Gaming 2025 [Ranked]

Find the top DNS servers for gaming. Improve load times, block threats, and keep connections stable.

What is Anycast DNS?

Find out why Anycast DNS is faster, more reliable, and more secure than traditional DNS, and how it benefits global businesses of all sizes.

OSI Model: Explained

Understand the OSI model’s 7 layers, benefits, and limitations. Learn how data moves across networks and why this framework matters.

What is Private DNS?

Discover how private DNS hides your browsing from ISPs, blocks malware, and boosts performance with encrypted DNS requests.

What Is An Autonomous System?

Learn what autonomous systems are, how they work, and why they matter for internet routing. Complete guide to AS, ASN, BGP, and network tiers.

What is Zero Trust Security? The Complete Guide

Zero trust security: never trust, always verify. Learn how to protect users, devices, apps, and data with this proven approach.

What is BGP (Border Gateway Protocol)

Learn what BGP is and how it routes internet traffic. Complete guide covering BGP types, attributes, and real-world applications.

What is Dynamic DNS (DDNS)?

Learn what Dynamic DNS (DDNS) is, how it works, and how cybercriminals exploit it – plus how Control D protects against malicious DDNS activity.

What is CNAME Uncloaking?

Discover how CNAME uncloaking detects hidden trackers, boosts online security, and keeps your browsing data private.

What is a Man-in-the-Middle Attack?

Learn what a Man-in-the-Middle attack is, how hackers intercept your data, and the best ways to protect yourself online.

What is a CNAME Record?

Master CNAME records with our complete guide. Learn how to set them up, use them effectively, and avoid common DNS management errors.

DNS Return Codes: Explained

Learn what DNS return codes are, what they mean, and how to troubleshoot common issues in this complete guide to DNS return codes.

9 Best Cloud-based DNS Filtering Software & Tools 2025

Explore the 9 best cloud-based DNS filtering tools for 2025. Compare features, pricing, pros & cons to choose the right solution for your business.