How to block Phind

How to block Phind on every device

Phind is an AI search engine built for programmers, answering technical questions with cited code. Below: how to block Phind in the browser, on phones and tablets, on your home or school network, and on managed devices.

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Phind

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phind.comBlocked

1 hostname in the Nullgen catalog

Every entry also covers its subdomains, so the Phind app and API are blocked too.

What Phind connects to

These are the hostnames Phind uses for its website, its apps, and its API. Each entry is matched as a suffix — blocking phind.com also blocks every subdomain of it — so the Phind app cannot slip through on a hostname that is not listed. Shared hosts that other products need are deliberately left out.

Hostnames blocked for Phind
Hostname	Role
phind.com	Main website

Block Phind in the browser

Free: the Nullgen browser extension

The free extension blocks Phind and every other tool in the catalog in Chrome, Edge, Firefox, and Safari. It works on the page itself — no DNS change, no policy — and updates as the catalog grows.

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Managed browsers: block the sites by policy

On a school or company fleet, push the hostnames as a browser policy so Phind is blocked even when someone uninstalls extensions. These snippets use the official Chrome, Edge, and Firefox policy names and the same hosts listed above.

Chrome and Edge — URLBlocklist

{
    "URLBlocklist": [
        "phind.com"
    ]
}

Firefox — policies.json

{
    "policies": {
        "WebsiteFilter": {
            "Block": [
                "*://phind.com/*",
                "*://*.phind.com/*"
            ]
        }
    }
}

Chrome and Edge treat a bare hostname as the host plus every subdomain. Firefox needs both the apex and the wildcard pattern.

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Block the Phind app on phones and tablets

Nullgen mobile app

The Nullgen app blocks Phind and 100+ other AI apps and sites on the whole device with an on-device filter — the app, the website, and the API, on any network, with no DNS server to run. Included with Nullgen Pro.

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Without Nullgen: Screen Time on iPhone and iPad

1Open Settings → Screen Time → Content & Privacy Restrictions and turn restrictions on. This covers Phind in Safari and in apps that use Apple’s web filter.
2Under Web Content, choose Limit Adult Websites — the setting that lets you deny phind.com by name.
3Under Never Allow, add phind.com. Safari and apps that use Apple’s web filter will refuse it.
4To keep the Phind app off the device entirely, delete it and set Installing Apps to Don’t Allow, or use Ask to Buy on a child’s Apple Account.

Without Nullgen: Family Link on Android

1Open Family Link, choose the child, then Controls → Content restrictions → Google Chrome — where Phind can be blocked by site.
2Choose Only allow approved sites, or add phind.com under Blocked sites.
3Under Controls → App limits, block the Phind app, or require approval for new installs from Google Play.

Block Phind on your home or school network

A DNS blocker such as Pi-hole, AdGuard Home, NextDNS, or pfBlockerNG blocks Phind for every device on the network — laptops, phones, consoles, and the Phind app — without installing anything on them. Subscribe to the Phind file from the public blocklist, or paste the rules directly.

Subscribe to the Phind list

Every vendor, one list — on GitHub

AdGuard Home, uBlock Origin, and Brave rules

||phind.com^

DNS blocking cannot see inside a VPN or a phone on mobile data. For a block that follows the device, use the Nullgen apps or an MDM profile.

Block Phind on managed devices

Schools and companies can block Phind on every managed iPhone, iPad, laptop, and Chromebook from the MDM they already run — Intune, Jamf, Kandji, or Google Workspace — with per-person policies and an approval flow for legitimate use. Nullgen Pro provides the profiles and the dashboard; these guides walk through the setup.

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Questions about blocking Phind

Does the free Nullgen extension block Phind?
Yes. The free extension blocks prompts on Phind and every other AI tool in the catalog in Chrome, Edge, Firefox, and Safari. It works on the page itself, so it needs no policy and no DNS change.
Will blocking Phind break other websites?
No. Every hostname on this page belongs to Phind alone. Shared websites that other products depend on are never on the list — which is also why AI features built into those products stay reachable.
Can someone get around a Phind block?
A browser-only block can be bypassed with another browser or the Phind app, and a network block can be bypassed with a VPN or a phone on mobile data. A block on the device itself — the Nullgen apps, Screen Time, or an MDM profile — follows the device wherever it goes.
Does this block the Phind app, not just the website?
A DNS or device-level block does. The app talks to the same hostnames listed above, and every entry covers its subdomains, so the app cannot slip through on a hostname that is not listed. A browser policy or extension only covers the browser.
What happens when Phind adds a new hostname?
The catalog is updated as vendors change, and the Nullgen apps, the extension, and the public blocklist all read from it, so a new hostname reaches every device without anyone editing a list by hand.

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Block Phind today

Start with the free browser extension. Add Nullgen Pro when you need the Phind app blocked on phones, tablets, and desktops, with approvals for the people who really need it.

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