DNS Blocker focuses on blocking unwanted DNS requests and website access while browsing in Firefox. It is catalogued under Browser DevTools & extensions on PulseGate.

Who should use DNS Blocker?

DNS Blocker is a consumer product built for firefox users seeking basic DNS-based website blocking.

Yes — DNS Blocker is free to use.

What platforms does DNS Blocker run on?

DNS Blocker runs on the web and embeddable surfaces.

Is DNS Blocker still maintained?

Unverified. DNS Blocker has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.

What projects are similar to DNS Blocker?

Similar projects tracked by PulseGate include Request Blocker, Website Blocker, and Domain Blocker.

Who develops DNS Blocker?

DNS Blocker is developed by Mohamad Samardeh Haghighi Fard.

When did DNS Blocker launch?

DNS Blocker first shipped in 2022.

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DNS Blocker

Name: DNS Blocker
Author: Mohamad Samardeh Haghighi Fard

mozilla.orgBrowser DevTools & extensions

DNS Blocker is a Firefox browser extension that provides simple DNS-based blocking for websites and requests. It is intended for individual Firefox users who want basic privacy or access-control features in the browser.

FreeWebEmbeddable

Visit mozilla.org

Overview

5 features

DNS Blocker is a Browser DevTools & extensions project. It focuses on blocking unwanted DNS requests and website access while browsing in Firefox. DNS Blocker is a consumer product aimed at firefox users seeking basic DNS-based website blocking. DNS Blocker costs nothing to use. It ships for the web and embeddable surfaces.

It is developed by Mohamad Samardeh Haghighi Fard, and it first shipped in 2022. Key capabilities include DNS Blocking, Website Blocking, and Desktop Notifications. The interface is available in 32 languages, including Czech, German, and Greek.

Summary written by a language model from the project’s public pages.

DNS Blocking
Website Blocking
Desktop Notifications
Permission Controls
Firefox Integration

Built with & integrations

Runs on

BrowserEmbeddable

Trust & compliance

Verified signals

HTTPSPrivacy Policy Terms of ServiceFree tierMulti-languageStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed13 Sep · 15:42 UTC
DNS Blocker verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about DNS Blocker

What is DNS Blocker?: DNS Blocker focuses on blocking unwanted DNS requests and website access while browsing in Firefox. It is catalogued under Browser DevTools & extensions on PulseGate.
Who should use DNS Blocker?: DNS Blocker is a consumer product built for firefox users seeking basic DNS-based website blocking.
Is DNS Blocker free?: Yes — DNS Blocker is free to use.
What platforms does DNS Blocker run on?: DNS Blocker runs on the web and embeddable surfaces.
Is DNS Blocker still maintained?: Unverified. DNS Blocker has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
What projects are similar to DNS Blocker?: Similar projects tracked by PulseGate include Request Blocker, Website Blocker, and Domain Blocker.Request Blocker Website Blocker Domain Blocker
Who develops DNS Blocker?: DNS Blocker is developed by Mohamad Samardeh Haghighi Fard.
When did DNS Blocker launch?: DNS Blocker first shipped in 2022.

At a glance

Pricing: Free
Platforms: Web
Built for: Firefox users seeking basic DNS-based website blocking
Model: B2C
Solves: Blocking unwanted DNS requests and website access while browsing in Firefox.

Registered as

Firefox Add-ons: dns-blocker

Developer

Mohamad Samardeh Haghighi Fard

Index record

Indexed: 13 Sep 2026
Lifecycle: Alive
Last seen: 13 Sep 2026

Identity audit (13)

Slug: dns-blocker-mozilla-org
Lifecycle state recorded: 13 Sep 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 13 Sep 2026
Timeline basis: Indexed-at chronology. This listing's first-seen date was written by the catalog backfill, not observed here, so it is not treated as a sighting.
Name from: Derived from the project's own page and URL.
Category from: Assigned by a language model.
Summary from: Written by a language model from public pages.
Languages from: Detected by a language model, checked against the page's own declaration.
Last updated: 13 Sep 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/dns-blocker

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