WHOIS Lookup

Name: WHOIS Lookup
Author: Kemal Goksu

By: Kemal Goksu Add-on

Look up domain registration, registrar, dates, nameservers, and status from the Firefox toolbar.

Overview

Firefox Add-ons Store

Daily users

Data as of 2026-09-10

Version:

2.0

Last updated: 2026-08-30

Features & Capabilities

WHOIS Lookup is a lightweight Firefox extension that shows registration details for the domain in the active tab. It queries the registry's RDAP endpoint when available and falls back to a classic WHOIS web service.

WHOIS Lookup add-on detects the domain in the active tab, shows the registrar, creation/update/expiration dates, nameservers, and domain status. Caches lookups locally for one hour. Indicates when a domain may be available, opens one of 10 configurable popular registrars for a final availability check.

Lets you clear cached lookup data from the settings view. Does not cache lookup results from private browsing windows.

User Growth & Download Statistics

Add-on

By:

Kemal Goksu

Daily users:

Version:

2.0 Last updated: 2026-08-30

Version code:

6442388

Creation date:

2026-08-27

Firefox add-on GUID:

whois-lookup@kemalgoksu.com

Firefox add-on numeric ID:

3061361

Firefox on Android:

Risk:

Permissions:

Host permissions:

https://*/*

Size:

30.60KB

URLs:

Full description:

Source:

Firefox Add-ons Store

Data ingested on:

2026-09-10

Compare stats and ranking:

Ranking

# 142,002 ▲ 526

Other rankings

#114 in lookup keyword 26 ▼ 1

For Developers

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Contact the developer

Chrome-Stats does not own this Firefox add-on. Please use these information below to contact the Firefox add-on developer.

Developed by:

Kemal Goksu

Firefox Add-ons Store

https://addons.mozilla.org/firefox/addon/simple-whois-lookup/

Is WHOIS Lookup Safe?

Risk impact

Risk impact measures the level of extra permissions an extension has access to. A low risk impact extension cannot do much harms, whereas a high risk impact extension can do a lot of damage like stealing your password, bypassing your security settings, and accessing your personal data. High risk impact extensions are not necessarily malicious. However, if they do turn malicious, they can be very harmful.

WHOIS Lookup requires a few sensitive permissions. Exercise caution before installing.

Risk impact analysis details

Critical Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.

Risk likelihood

Risk likelihood measures the probability that a Firefox add-on may turn malicious. This is determined by the publisher and the Firefox add-on reputation on Firefox Add-ons Store, the amount of time the Firefox add-on has been around, and other signals about the Firefox add-on. Our algorithms are not perfect, and are subject to change as we discover new ways to detect malicious extensions. We recommend that you always exercise caution when installing a Firefox add-on.

WHOIS Lookup is recently added, and hasn't been around long enough for us to gather enough data to accurately assess its risk level.

Risk likelihood analysis details

High This extension was recently updated in the past month. New updates may not be stable or safe.
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