Who is IP Viewer for?

IP Viewer is a consumer product built for developers, system administrators, and privacy-conscious Firefox users.

Does IP Viewer have a free plan?

Yes — IP Viewer is free to use.

What platforms does IP Viewer run on?

IP Viewer runs on the web and embeddable surfaces.

Is IP Viewer still maintained?

Unverified. IP Viewer 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 are alternatives to IP Viewer?

Similar projects tracked by PulseGate include IP, IP Finder, and IP Check.

IP Viewer is developed by Sitte.pl, based in Poland.

How long has IP Viewer been around?

IP Viewer first shipped in 2025.

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IP Viewer

Name: IP Viewer
Author: Sitte.pl

mozilla.orgBrowser DevTools & extensions🇵🇱

IP Viewer is a Firefox extension that shows the IP address of the current website along with WHOIS information, domain data, and detected tracking identifiers. It includes DNS fallback lookup, refresh controls, and links to SSL Checker and DNS Info tools for developers, administrators, and privacy-conscious users.

FreeWebEmbeddable

Visit mozilla.org

Overview

9 features

IP Viewer sits in PulseGate's Browser DevTools & extensions category. It focuses on identifying a visited website’s IP address, DNS and WHOIS details, and tracking technologies without using separate tools. It is built as a consumer product for developers, system administrators, and privacy-conscious Firefox users. IP Viewer costs nothing to use. It runs on the web and embeddable surfaces.

Behind IP Viewer is Sitte.pl, based in Poland, and it first shipped in 2025. Key capabilities include IP address lookup, WHOIS information, and DNS fallback. The interface is available in 32 languages, including Czech, German, and Greek.

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

IP address lookup
WHOIS information
DNS fallback
Domain details
Tracker detection
SSL Checker link
DNS Info link
Refresh control
Multilingual interface

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

Indexed16 Sep · 14:14 UTC
IP-Viewer verified via Firefox Add-ons
Source: Firefox Add-ons · Open

Frequently asked questions about IP Viewer

What is IP Viewer?: IP Viewer focuses on identifying a visited website’s IP address, DNS and WHOIS details, and tracking technologies without using separate tools. It is catalogued under Browser DevTools & extensions on PulseGate.
Who is IP Viewer for?: IP Viewer is a consumer product built for developers, system administrators, and privacy-conscious Firefox users.
Does IP Viewer have a free plan?: Yes — IP Viewer is free to use.
What platforms does IP Viewer run on?: IP Viewer runs on the web and embeddable surfaces.
Is IP Viewer still maintained?: Unverified. IP Viewer 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 are alternatives to IP Viewer?: Similar projects tracked by PulseGate include IP, IP Finder, and IP Check.IP IP Finder IP Check
Who makes IP Viewer?: IP Viewer is developed by Sitte.pl, based in Poland.
How long has IP Viewer been around?: IP Viewer first shipped in 2025.

At a glance

Pricing: Free
Platforms: Web
Built for: developers, system administrators, and privacy-conscious Firefox users
Model: B2C
Solves: Identifying a visited website’s IP address, DNS and WHOIS details, and tracking technologies without using separate tools.

Registered as

Firefox Add-ons: ip-dns-whois-viewer

Developer

🇵🇱Sitte.pl

Index record

Indexed: 16 Sep 2026
Lifecycle: Alive
Last seen: 16 Sep 2026

Identity audit (13)

Slug: ip-viewer-mozilla-org
Lifecycle state recorded: 16 Sep 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 16 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: 16 Sep 2026
Canonical URL: https://addons.mozilla.org/en-US/firefox/addon/ip-dns-whois-viewer

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