Custom Filtering DNS Platform

Control D empowers you to create personalized filtering rules, allowing you to block or allow specific domains based on your organization's unique requirements and control your network traffic with precision.
Complete Control
Network level control
Trusted by experts
Detailed usage analytics

Focus on what drives your success

Customized network securityControl D’s Custom Filtering lets you decide exactly which websites are accessible and which are blocked, giving your organization customized control over your network's safety.
Prevent unauthorized accessBy setting custom rules, you can restrict employee access to unapproved websites, minimizing security vulnerabilities and maintaining data integrity.
Tailored productivity solutions Control D enables you to ensure that employees stay productive by restricting access to non-work-related domains while allowing specific exceptions where needed for their roles.
Meet compliance requirementsCustom Filtering also helps organizations meet regulatory compliance by providing control over access to certain websites. Whether it's financial data or protected health information, Control D ensures adherence to compliance standards such as GDPR or HIPAA.

Comprehensive custom filtering
Block or allow specific domains
Create rules that block or allow individual domains based on your organization's needs. This feature ensures that you maintain precise control over your DNS traffic to provide the right level of network security.
Custom allowlists and blocklists
Maintain custom allowlists and blacklists of domains, empowering you to specify which sites are accessible and which are restricted. This feature gives you the ability to align filtering policies with your organization's priorities and security needs.
Granular user and device control
Apply different custom filtering rules based on user roles, device types, or departments. This granular level of control ensures that each segment of your organization has the appropriate access level, enhancing both productivity and security.

Trusted by experts
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"Awesome support. Awesome product""Best support you can find. These guys know their stuff — it’s easy to use, easy to manage, easy to deploy. These folks are genius."
Mike L
Chief Operating Officer,
Data Net Solutions Group
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"Great support and easy to setup on serverless environments""This is a great tool for serverless environments that need DNS filtering. The entire team that we have worked with is always very responsive and it's a pleasure getting to know their product better. Cost always comes into play but it is quite cheap per seat."
Thomas Farrell
Director of Operations,
Network Information Technologies, LLC
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"Excellent DNS service""One of the best designed interfaces my team has ever interacted with. Not only is the product light years ahead of the competition, they are a fantastic partner to work with on a regular basis."
Rael Solin
Enterprise Lead Sales,
Pinnacle ICT

Frequently asked questions

Custom filtering is a tool that allows businesses to set unique internet access rules based on their specific needs. It enables tailored control over web content, services, and applications, ensuring that only relevant or safe resources are accessible within the organization.

Custom filtering gives you the ability to control exactly what your employees can access online. This not only enhances productivity by blocking non-work-related content but also provides an added layer of security by restricting access to potentially dangerous sites.

With custom filtering, businesses can block access to distracting or non-essential sites and apps while keeping important resources available. This targeted control helps employees stay focused, contributing to a more efficient and productive workplace.


Control D's interface makes it easy to create custom filtering rules. Simply log in, navigate to the custom filtering section, and set up your rules based on domains you want to block or allow.

Yes, custom filtering can be set to block potentially harmful websites, services, or downloads. However, it should be used in combination with other security measures like antivirus software, a secure firewall, and regular security updates. Together, these measures provide comprehensive protection.

Custom filtering tools are typically designed with user-friendly dashboards and straightforward settings. Businesses can easily adjust or create new filtering rules without advanced technical skills, making it accessible for companies of any size.

Absolutely. Custom filtering allows businesses to define different access rules for specific departments or job roles. For example, marketing might need social media access, while other teams do not. This flexibility ensures everyone has access to the tools they need while minimizing unnecessary distractions.

While general web filtering applies broad restrictions across the network, custom filtering offers fine-tuned control. Businesses can specify which sites, services, or categories to allow or block, creating a filtering policy that aligns directly with their goals and requirements.

No, custom filtering focuses on controlling access, not monitoring individual browsing behavior. This way, companies can secure their networks and enforce productivity policies without intruding on employee privacy.

Yes, Control D offers a 30-day risk-free trial for all organizations. Sign up with your business email and start testing the service—no credit card required.

Yes, Control D offers a 30-day risk-free trial for all organizations. Simply sign up with your business email and start testing the service—no credit card required.

Absolutely. You can book a demo or consultation with our team at any time, and we’d be happy to assist you in configuring the custom filtering settings to suit your business needs.


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