# DNS over HTTPS

> Check web site IP is spoofed or not.

Canonical page: [https://chrome-stats.com/d/dns-over-https](https://chrome-stats.com/d/dns-over-https)

## Overview

- **ID:** `dns-over-https`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** kevin\_bolton
- **Category:** privacy-security
- **Daily users:** 181
- **Weekly downloads:** 13
- **Rating:** 4.00 / 5 (4 ratings)
- **Version:** 0.7resigned1
- **Last updated:** 2024-04-26
- **First published:** 2018-08-31
- **Size:** 44 KB
- **Data as of:** 2026-09-07
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/dns-over-https/)
- **Website:** [https://www.linkedin.com/in/kevin-bolton](https://www.linkedin.com/in/kevin-bolton)

## Description

The DNS over HTTPS Firefox add-on helps users verify the authenticity of a website's IP address by comparing data from the browser and DNS over HTTPS (DoH) servers. It extracts the website's Fully Qualified Domain Name (FQDN), domain name, and IP address during browsing, then obtains the corresponding IP, PTR, and CNAME records directly from a DoH server.

By contrasting these data points, the add-on detects potential IP spoofing or use of private IP addresses. It communicates results visually through icon color changes: green indicates normal status, yellow flags private IP usage, and red warns when the IP addresses differ with mismatched PTR/CNAME domain names. This real-time security check enhances browsing safety and transparency by preventing spoofing attacks.

## Rankings

- #8,678 — Overall

## Permissions and access

### Permissions

- `dns`
- `tabs`
- `webRequest`
- `*://*/*`

## Safety

- **Risk impact:** High risk impact
- **Risk likelihood:** Moderate risk likelihood

### Analysis details

- Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
- This extension website URL may be invalid

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

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Source: [Chrome-Stats](https://chrome-stats.com/d/dns-over-https)