DNSSEC focuses on checking whether websites use DNSSEC without manually querying their domains. It is catalogued under Browser DevTools & extensions on PulseGate.

DNSSEC is a consumer product built for privacy-conscious Firefox users.

Is DNSSEC still active?

Unverified. DNSSEC 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 DNSSEC?

Similar projects tracked by PulseGate include Hover Zoom for Thumbnails, Diccionario-_-flotante, and MyEpitechcghvb.

DNSSEC is developed by Antoine POPINEAU.

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DNSSEC

Name: DNSSEC
Author: Antoine POPINEAU

mozilla.orgBrowser DevTools & extensions

DNSSEC is a Firefox browser extension that displays whether the domain of the current website has a DNSSEC-signed zone. It performs DNS queries through Cloudflare 1.1.1.1 or Google Public DNS and shows the status in the browser URL bar.

FreeWebEmbeddablemacOSWindowsLinux

Visit mozilla.org

Overview

6 features

DNSSEC sits in PulseGate's Browser DevTools & extensions category. It focuses on checking whether websites use DNSSEC without manually querying their domains. DNSSEC is a consumer product aimed at privacy-conscious Firefox users. DNSSEC costs nothing to use. It runs on the web, embeddable surfaces, macOS, Windows, and Linux.

Antoine POPINEAU builds and maintains DNSSEC, and it first shipped in 2017. Key capabilities include DNSSEC status display, URL bar indicator, and Automatic DNS queries. The interface is available in 32 languages, including Czech, German, and Greek.

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

DNSSEC status display
URL bar indicator
Automatic DNS queries
Cloudflare DNS support
Google Public DNS support
Browser tab access

Built with & integrations

Runs on

BrowserEmbeddablemacOSWindowsLinux

Trust & compliance

Verified signals

HTTPSPrivacy Policy Terms of ServiceFree tierMulti-languageStore-verified publisher

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed10 Sep · 07:50 UTC
DNSSEC verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about DNSSEC

What is DNSSEC?: DNSSEC focuses on checking whether websites use DNSSEC without manually querying their domains. It is catalogued under Browser DevTools & extensions on PulseGate.
Who is DNSSEC for?: DNSSEC is a consumer product built for privacy-conscious Firefox users.
Does DNSSEC have a free plan?: Yes — DNSSEC is free to use.
What platforms does DNSSEC run on?: DNSSEC runs on the web, embeddable surfaces, macOS, Windows, and Linux.
Is DNSSEC still active?: Unverified. DNSSEC 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 DNSSEC?: Similar projects tracked by PulseGate include Hover Zoom for Thumbnails, Diccionario-_-flotante, and MyEpitechcghvb.Hover Zoom for Thumbnails Diccionario-_-flotante MyEpitechcghvb
Who develops DNSSEC?: DNSSEC is developed by Antoine POPINEAU.
When did DNSSEC launch?: DNSSEC first shipped in 2017.

At a glance

Pricing: Free
Platforms: Web
First seen: 10 Sep 2026
Built for: privacy-conscious Firefox users
Model: B2C
Solves: Checking whether websites use DNSSEC without manually querying their domains.

Registered as

Firefox Add-ons: dnssec

Developer

Antoine POPINEAU

Index record

Indexed: 10 Sep 2026
Lifecycle: Alive
First seen: Sep 2026
Last seen: 10 Sep 2026

Identity audit (13)

Slug: dnssec-mozilla-org
Lifecycle state recorded: 10 Sep 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 10 Sep 2026
Timeline basis: Indexed-at chronology (no inferred launch/funding milestones).
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: 10 Sep 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/dnssec

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