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OpenBLD

Freemium#43 of 65 in Internet Filtering Software

OpenBLD: A free protective DNS service with broad filtering modes and organizational deployment options. Ranked #43 of 65 in Internet Filtering Software by our editors (5.0/10); pricing: Free plan; best for free security filtering with organizational deployment.

5.0/10Editor score

Visit OpenBLD

OpenBLD5.0 Visit OpenBLD

At a glance

Editor score
5.0 / 10
Pricing
Free plan
Best for
Free security filtering with organizational deployment
Free plan
Yes
Paid from
$15/mo
Custom blocklists
Yes
Founded
2019
Facts checked
20 Sep 2026

Where it wins
- Free plan covers malware, phishing, ads, trackers and unwanted domains
- Supports DoH, DoT, classic DNS and custom allow/block lists
- Managed-cloud or on-premise deployment supports organizational use
Where it doesn't
- Organizational policies and professional support are reserved for Plus
- Plus is donation-based and may be negotiated individually
- Configuration spans multiple devices, browsers, phones and routers

Our verdict on OpenBLD

OpenBLD is a community-supported protective DNS service for individuals, households, small offices and organizations. It blocks malware, phishing, tracking, advertising and other unwanted domains through classic DNS, DNS-over-HTTPS and DNS-over-TLS. The service can be configured on browsers, desktops, mobile devices and routers without agent software or registration. Adaptive ADA, strict RIC and child-protection modes extend its use from general browsing protection to household and organizational filtering. Android 9+, iOS 14+, Windows, macOS, Linux, Chrome and web access are supported.

The free plan is the main draw. OpenBLD Free includes malware and phishing protection, DoH, DoT and classic DNS, with no registration required. The published feature set also includes custom allow/block lists, filtering for advertising and tracking domains, adult-content and gambling protection, and DNS analytics and metrics compatible with Prometheus and Grafana. URLhaus and Active Directory appear among the integrations, while the platform supports personalized profiles and multiple filtering modes. This makes OpenBLD a practical fit for buyers seeking protective DNS without a conventional paid entry point.

OpenBLD Plus is aimed at organizational use and adds personal support, security and technical incident analysis, organizational policies, analytics, integrations, and managed-cloud or on-premise deployment. According to the vendor's pricing description, Plus starts at $15 per month, but the arrangement is donation-based and conditions may be negotiated individually rather than presented as a conventional subscription. Choose OpenBLD if free DNS filtering, privacy-oriented DNS protocols or organizational deployment are priorities. Buyers seeking a fixed, standardized commercial plan may prefer an alternative with more conventional pricing terms.

Your product? Our editors can test OpenBLD in depth and publish a review, labelled as paid · from $149/mo →

OpenBLD pricing

Plans Free planFreemium A usable free plan; paid tiers unlock the limits above. Prices checked 20 Sep 2026.

See plans on openbld.net

All 2 OpenBLD plans and prices →

OpenBLD fact sheet

Free plan	Yes
Paid from	$15/mo
Device limit	Not verified
Custom blocklists	Yes
Safe search controls	Not verified
Filtering schedules	Not verified
Activity reports	Advanced
Platform support	Android 9+, iOS 14+, browsers, desktops, phones and routers
Deployment	Cloud, Self-hosted, Mobile, Browser extension
Platforms	Web, Windows, macOS, Linux, iOS, Android, Chrome extension
Support	Community, Docs
Built for	Solo, Small business, Mid-market, Enterprise (editorial estimate)
Integrations	2 integrations: Active Directory, URLhaus
Pricing	Free plan (source)
Website	openbld.net
Facts checked	20 Sep 2026

OpenBLD integrations

OpenBLD lists 2 integrations on its own site.

Active Directory
URLhaus

Alternatives to OpenBLD

See all OpenBLD alternatives →

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Featured on iTechGuides

OpenBLD is listed in our Internet Filtering Software directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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Last updated 7 Oct 2026 · How we research and update