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# CleanBrowsing

> CleanBrowsing is a DNS-based content filtering service that protects families, schools, libraries, businesses, and organizations from harmful and unwanted online content. It works at the network level by filtering DNS requests — no software installation required. Founded by Daniel Cid and Tony Perez, CleanBrowsing processes over 355 billion DNS requests per month across 70+ global data centers serving 4.5+ million devices.

## Overview

CleanBrowsing provides cloud-based DNS filtering that blocks access to unwanted websites through DNS resolution. It offers both free public DNS resolvers and paid plans with granular controls. The service supports encrypted DNS (DoH, DoT, DNSCrypt) and uses an anycast network architecture for performance and reliability.

### Free DNS Resolvers

- **Family Filter:** `185.228.168.168` / `185.228.169.168` — Blocks adult content, enforces SafeSearch, blocks VPNs and proxies
- **Adult Filter:** `185.228.168.10` / `185.228.169.11` — Blocks adult content and malware
- **Security Filter:** `185.228.168.9` / `185.228.169.9` — Blocks malware, phishing, and botnets only

### Paid Plans

- **Basic ($8.99/mo):** Up to 25 devices, 3 profiles, 26+ filtering categories
- **Pro 50 ($15/mo):** Up to 50 devices, 5 profiles, ideal for schools and libraries
- **Pro 100 ($30/mo):** Up to 100 devices, 10 profiles, API access, for organizations
- **Custom:** 100+ devices, dedicated IPs, custom networks — contact sales

## Key Pages

- [Home](https://cleanbrowsing.org/): Overview of DNS content filtering for homes, schools, and organizations
- [How It Works](https://cleanbrowsing.org/how-it-works): Technical explanation of DNS-based filtering architecture
- [Free DNS Filters](https://cleanbrowsing.org/filters): Free Family, Adult, and Security DNS filter details and IPs
- [Pricing](https://cleanbrowsing.org/pricing): Subscription plans, feature comparison, and annual discounts
- [Setup Guide](https://cleanbrowsing.org/setup): Interactive step-by-step instructions for routers, Windows, macOS, Android, iOS, and encrypted DNS
- [Apple DNS Profile Generator](https://cleanbrowsing.org/apple-dns): Generate .mobileconfig DNS configuration profiles for iPhone, iPad, Mac, and Apple TV
- [DNS Leak Test](https://cleanbrowsing.org/dnsleaktest): Free DNS leak test showing your public IP and DNS resolvers with CleanBrowsing verification
- [Content Filtering](https://cleanbrowsing.org/content-filtering): How DNS-based content filtering works and filtering categories
- [DNS Filtering](https://cleanbrowsing.org/dns-filter): Core DNS filtering service explanation
- [DNS Security](https://cleanbrowsing.org/dns-security): Protective DNS / DNS Firewall — malware, phishing, botnet, and ransomware defense
- [SafeSearch](https://cleanbrowsing.org/safesearch): Enforcing SafeSearch on Google, Bing, DuckDuckGo, and YouTube Restricted Mode
- [Encrypted DNS](https://cleanbrowsing.org/encrypteddns): DNS-over-HTTPS (DoH), DNS-over-TLS (DoT), and DNSCrypt support
- [About](https://cleanbrowsing.org/about): Company story, founders, and mission
- [Contact](https://cleanbrowsing.org/contact): Support, sales, and partnership contacts
- [Privacy Policy](https://cleanbrowsing.org/privacy): Data retention and privacy practices
- [Terms of Service](https://cleanbrowsing.org/terms): Legal terms and conditions

## Solutions by Industry

- [Schools](https://cleanbrowsing.org/solutions/schools/): CIPA-compliant DNS filtering for K-12 and educational institutions
- [Libraries](https://cleanbrowsing.org/solutions/libraries/): Content filtering for public library networks
- [Business](https://cleanbrowsing.org/solutions/business/): Enterprise content filtering and acceptable use policy enforcement
- [Parents](https://cleanbrowsing.org/solutions/parents/): Home network protection and parental controls
- [WiFi Service Providers](https://cleanbrowsing.org/solutions/wifi-serviceproviders/): Large-scale WiFi network deployment
- [Municipalities](https://cleanbrowsing.org/solutions/municipalities/): Public WiFi hotspot filtering
- [Transportation](https://cleanbrowsing.org/solutions/transportation/): Public transit WiFi protection
- [Retailers & Restaurants](https://cleanbrowsing.org/solutions/retailers-restaurants/): Customer WiFi protection
- [Partners / MSPs](https://cleanbrowsing.org/solutions/wifi-serviceproviders/): Managed service provider and partner programs
- [App Developer Partner Program](https://cleanbrowsing.org/solutions/app-developers/): Build family safety, accountability, or security apps powered by CleanBrowsing's DNS filtering engine with API access and multi-tenant accounts
- [Free DNS Filtering](https://cleanbrowsing.org/solutions/free-dns-filtering/): Free tier offering overview
- [CIPA Compliance](https://cleanbrowsing.org/cipa): Children's Internet Protection Act compliance details
- [CIPA Compliance Guide](https://cleanbrowsing.org/learn/cipa-compliance-guide): Complete CIPA guide covering all 6 requirements, E-Rate certification, 10-item compliance checklist, how DNS filtering satisfies CIPA, implementation guide, and FAQs for schools and libraries
- [Friendly WiFi](https://cleanbrowsing.org/friendly-wifi): Friendly WiFi certified provider

## Competitor Comparisons

- [CleanBrowsing vs DNSFilter](https://cleanbrowsing.org/compare/dnsfilter)
- [CleanBrowsing vs OpenDNS](https://cleanbrowsing.org/compare/opendns)
- [CleanBrowsing vs Cisco Umbrella](https://cleanbrowsing.org/compare/cisco-umbrella): Cisco Umbrella is an enterprise SASE platform. Compare pricing, deployment complexity, CIPA compliance, and MSP management against CleanBrowsing's focused DNS filtering.
- [CleanBrowsing vs NextDNS](https://cleanbrowsing.org/compare/nextdns)
- [CleanBrowsing vs WebTitan](https://cleanbrowsing.org/compare/webtitan)
- [CleanBrowsing vs Cloudflare](https://cleanbrowsing.org/compare/cloudflare)
- [CleanBrowsing vs Control D](https://cleanbrowsing.org/compare/controld)

## Glossary

- [Glossary](https://cleanbrowsing.org/glossary/): Quick-reference glossary of ~80 DNS filtering, content filtering, internet safety, and network security terms with definitions and links to in-depth articles.

## Learn Hub (Educational Guides)

- [Learn Hub Index](https://cleanbrowsing.org/learn/): All educational articles and guides
- [What Is DNS Filtering?](https://cleanbrowsing.org/learn/what-is-dns-filtering): Explanation of DNS filtering technology
- [What Is Content Filtering?](https://cleanbrowsing.org/learn/what-is-content-filtering): Overview of content filtering concepts
- [What Is DNS?](https://cleanbrowsing.org/learn/what-is-dns): DNS fundamentals
- [What Is Encrypted DNS?](https://cleanbrowsing.org/learn/what-is-encrypted-dns): DoH, DoT, and DNSCrypt explained
- [What Is SafeSearch?](https://cleanbrowsing.org/learn/what-is-safesearch): SafeSearch enforcement across search engines
- [What Is a VPN?](https://cleanbrowsing.org/learn/what-is-a-vpn): VPN technology explained in context of filtering
- [What Is DNS Poisoning?](https://cleanbrowsing.org/learn/what-is-dns-poisoning): DNS poisoning attacks explained
- [What Is URL Filtering?](https://cleanbrowsing.org/learn/what-is-url-filtering): URL vs DNS filtering comparison
- [What Is CGNAT?](https://cleanbrowsing.org/learn/what-is-cgnat): Carrier-grade NAT and its impact on DNS filtering
- [How Kids Bypass Filters](https://cleanbrowsing.org/learn/how-kids-bypass-filters): Common bypass methods and prevention
- [How to Block VPNs](https://cleanbrowsing.org/learn/how-to-block-vpns): Preventing VPN-based filter bypass
- [How to Block Porn](https://cleanbrowsing.org/learn/how-to-block-porn): Comprehensive guide to blocking adult content
- [How to Prevent Filter Bypass](https://cleanbrowsing.org/learn/how-to-prevent-filter-bypass): Strategies to prevent circumvention
- [How to Enforce Safe Search](https://cleanbrowsing.org/learn/how-to-enforce-safe-search): Enforcing SafeSearch at the network level
- [How to Disable DoH](https://cleanbrowsing.org/learn/how-to-disable-doh): Preventing DNS-over-HTTPS bypass
- [How to Lock DNS Settings](https://cleanbrowsing.org/learn/how-to-lock-dns-settings): Preventing DNS setting changes
- [macOS DNS Lockdown](https://cleanbrowsing.org/learn/macos-dns-lockdown): Persistent, tamper-resistant DNS filtering for Mac with encrypted DoH and background enforcement
- [Device vs Router Deployment](https://cleanbrowsing.org/learn/device-vs-router-deployment): Choosing the right deployment strategy
- [IT Admin Deployment Guide](https://cleanbrowsing.org/learn/it-admin-deployment-guide): Enterprise deployment instructions
- [Managing Multiple Accounts (MSP Guide)](https://cleanbrowsing.org/learn/managing-multiple-accounts-msp): Multi-tenant management for MSPs
- [Parent's Guide to DNS Filtering](https://cleanbrowsing.org/learn/parents-guide-dns-filtering): Getting started guide for parents
- [Free vs Paid Filters](https://cleanbrowsing.org/learn/free-vs-paid): Feature comparison between free and paid tiers
- [Services That Conflict with DNS Filtering](https://cleanbrowsing.org/learn/services-that-conflict-with-dns-filtering): Troubleshooting service conflicts
- [Why DNS Can't Block IPs](https://cleanbrowsing.org/learn/why-dns-cant-block-ips): Technical limitation explanations
- [Why DNS Can't Block Keywords](https://cleanbrowsing.org/learn/why-dns-cant-block-keywords): Understanding DNS filtering scope
- [Importance of Public IP](https://cleanbrowsing.org/learn/importance-of-public-ip): Why your public IP matters for DNS filtering
- [Whitelist-Only Environment](https://cleanbrowsing.org/learn/whitelist-environment): Setting up an allowlist-only network
- [Windows Desktop App](https://cleanbrowsing.org/learn/windows-desktop-app): Features and overview of the CleanBrowsing Windows Desktop App
- [Android App](https://cleanbrowsing.org/learn/android-app): CleanBrowsing Android App with DNS content filtering, Private DNS automation, VPN fallback, device lockdown, and encrypted settings for Android 9+
- [Chromebook App](https://cleanbrowsing.org/learn/chromebook-app): CleanBrowsing Chromebook App with VPN-based encrypted DNS filtering (DoH), password protection, landscape support, and simplified setup for ChromeOS
- [Verify DNS Configuration](https://cleanbrowsing.org/learn/verify-dns-configuration): How to verify your DNS setup is working
- [Data Retention and Log Management with Trunc](https://cleanbrowsing.org/learn/data-retention-trunc): How CleanBrowsing handles data retention and how Trunc provides extended log storage and analytics
- [How to Make Netflix Kid-Friendly](https://cleanbrowsing.org/learn/how-to-make-netflix-kid-friendly): Making Netflix safe for kids using profiles, maturity ratings, PIN locks, and DNS filtering
- [What Is Ad Blocking?](https://cleanbrowsing.org/learn/what-is-ad-blocking): How DNS-based ad blocking works by refusing to resolve ad server domains
- [What Is an Allowlist?](https://cleanbrowsing.org/learn/what-is-an-allowlist): Domains explicitly permitted through a DNS filter
- [What Is a Blocklist?](https://cleanbrowsing.org/learn/what-is-a-blocklist): Domains denied resolution by a DNS filter
- [What Is a Denylist?](https://cleanbrowsing.org/learn/what-is-a-denylist): Modern term for blocklist — domains blocked by DNS filter
- [What Is a Whitelist?](https://cleanbrowsing.org/learn/what-is-a-whitelist): Synonym for allowlist — explicitly permitted domains
- [What Is DNS Hijacking?](https://cleanbrowsing.org/learn/what-is-dns-hijacking): DNS redirection attacks that send users to malicious servers
- [What Is DNSSEC?](https://cleanbrowsing.org/learn/what-is-dnssec): DNS Security Extensions — cryptographic authentication of DNS records
- [What Is HTTPS?](https://cleanbrowsing.org/learn/what-is-https): HTTP over TLS encryption and why DNS filtering still works with HTTPS
- [What Is an IP Address?](https://cleanbrowsing.org/learn/what-is-an-ip-address): IP addressing fundamentals and role in DNS filtering
- [What Is IPv4?](https://cleanbrowsing.org/learn/what-is-ipv4): 32-bit internet addressing and CleanBrowsing resolver IPs
- [What Is IPv6?](https://cleanbrowsing.org/learn/what-is-ipv6): 128-bit internet addressing and IPv6 DNS support
- [What Is DNS Latency?](https://cleanbrowsing.org/learn/what-is-dns-latency): DNS response times and how anycast reduces latency
- [What Is an MX Record?](https://cleanbrowsing.org/learn/what-is-an-mx-record): DNS Mail Exchange records for email routing
- [What Is NAT?](https://cleanbrowsing.org/learn/what-is-nat): Network Address Translation and its impact on DNS filtering
- [What Is a Nameserver?](https://cleanbrowsing.org/learn/what-is-a-nameserver): Authoritative vs recursive DNS servers explained
- [What Is NXDOMAIN?](https://cleanbrowsing.org/learn/what-is-nxdomain): DNS response code for non-existent domains and filtering
- [What Is SNI?](https://cleanbrowsing.org/learn/what-is-sni): Server Name Indication, ECH, and impact on content filtering
- [What Is a Static IP?](https://cleanbrowsing.org/learn/what-is-a-static-ip): Static vs dynamic IPs and DNS filtering implications
- [What Is a TLD?](https://cleanbrowsing.org/learn/what-is-a-tld): Top-Level Domains and the DNS hierarchy
- [What Is TLS?](https://cleanbrowsing.org/learn/what-is-tls): Transport Layer Security — encryption for HTTPS and DNS-over-TLS
- [What Is a TXT Record?](https://cleanbrowsing.org/learn/what-is-a-txt-record): DNS text records for SPF, DKIM, DMARC, and domain verification
- [What Is Guest WiFi Filtering?](https://cleanbrowsing.org/learn/what-is-guest-wifi-filtering): DNS filtering for public and guest wireless networks — captive portals, DNS interaction, and deployment best practices
- [DNS Filtering and Email Security](https://cleanbrowsing.org/learn/dns-filtering-and-email-security): What DNS filtering can and can't do for email — blocks phishing domains after the click, not email content

## Articles (Blog)

- [Articles Index](https://cleanbrowsing.org/articles/): All blog posts and articles
- [A DNS Firewall for Every Network](https://cleanbrowsing.org/articles/a-dns-firewall-for-every-network)
- [DNS Filtering Implementation Checklist for MSPs](https://cleanbrowsing.org/articles/dns-filtering-implementation-checklist-for-msps)
- [How DNS Filtering Keeps Your Network Safe](https://cleanbrowsing.org/articles/how-dns-filtering-keeps-your-network-safe)
- [The DNS Security Landscape](https://cleanbrowsing.org/articles/the-dns-security-landscape)
- [5 Ways DNS Security Protects Your Business Network](https://cleanbrowsing.org/articles/5-ways-dns-security-protects-your-business-network)
- [Encrypted DNS: What It Is and Why We Should Care](https://cleanbrowsing.org/articles/encrypted-dns-what-it-is-and-why-we-should-care)
- [How Encrypted Client Hello (ECH) Impacts Content Filtering](https://cleanbrowsing.org/articles/how-encrypted-client-hello-ech-impacts-content-filtering-solutions-challenges-and-adaptations)
- [DNS Logging for Security, Performance, and Compliance](https://cleanbrowsing.org/articles/dns-logging-for-security-and-performance-setup-analysis-and-compliance)
- [Internet Safety Guide for Public Libraries](https://cleanbrowsing.org/articles/internet-safety-guide-for-public-libraries-dns-solutions)
- [VPNs and Content Filtering](https://cleanbrowsing.org/articles/vpns-and-content-filtering)
- [Anycast vs Unicast DNS Architectures](https://cleanbrowsing.org/articles/anycast-vs-unicast-dns-architectures)
- [Using Traceroute to Test DNS Resolution](https://cleanbrowsing.org/support/troubleshooting/using-traceroute-to-test-dns)
- [DNS Leak Test Guide — Share Results with Support](https://cleanbrowsing.org/support/troubleshooting/dns-leak-test-guide)
- [Troubleshooting Microsoft 365 with DNS Filtering](https://cleanbrowsing.org/support/troubleshooting/microsoft-365-dns-filtering): Fix Teams, SharePoint, Outlook, and Exchange Online connectivity issues caused by DNS filtering. Includes key M365 domains to allowlist and PowerShell verification scripts.
- [Intermittent Connectivity Issues: Is It DNS?](https://cleanbrowsing.org/support/troubleshooting/intermittent-connectivity): Diagnostic decision tree to determine whether DNS filtering is causing connectivity problems. Includes multi-resolver comparison scripts, latency testing, and a one-command diagnostic report generator.
- [How to Allowlist Domains in CleanBrowsing](https://cleanbrowsing.org/support/troubleshooting/allowlist-domains): Step-by-step guide to allowlisting domains via the dashboard, verifying from the CLI, troubleshooting allowlist issues, and recommended domain lists for common services (M365, Google Workspace, Zoom, Slack).
- [Does DNS Affect Internet Speed?](https://cleanbrowsing.org/support/troubleshooting/dns-and-internet-speed)
- [DNS-Based Content Filtering vs Other Forms of Filtering](https://cleanbrowsing.org/articles/dns-based-content-filtering-vs-other-forms-of-filtering)
- [What Is Category-Based Filtering?](https://cleanbrowsing.org/articles/what-is-category-based-filtering)
- [Common DNS Filtering Issues and Solutions](https://cleanbrowsing.org/articles/common-dns-filtering-issues-and-solutions)

## Support — Setup & Operating Systems

- [Support Hub](https://cleanbrowsing.org/support/): Main support documentation index
- [Router Setup Guide](https://cleanbrowsing.org/support/routers/): Guides for specific router brands
- [Windows Desktop App](https://cleanbrowsing.org/support/operating-systems/windows-app): Install and configure the CleanBrowsing Windows Desktop App
- [Windows DNS Setup](https://cleanbrowsing.org/support/operating-systems/windows): Configure DNS manually on Windows
- [Windows DoH Setup](https://cleanbrowsing.org/support/operating-systems/windows-doh): DNS-over-HTTPS on Windows 11
- [macOS Setup](https://cleanbrowsing.org/support/operating-systems/macos): Configure DNS on macOS
- [Linux DNS Setup](https://cleanbrowsing.org/support/operating-systems/linux): Configure DNS on Linux
- [Linux Per-User DNS](https://cleanbrowsing.org/support/operating-systems/linux-per-user-dns): Automatically switch DNS based on Linux user login
- [Chromebook Setup](https://cleanbrowsing.org/support/operating-systems/chromebook): Configure DNS on ChromeOS
- [Block Browser Extensions](https://cleanbrowsing.org/support/operating-systems/block-browser-extensions): Prevent browser extension installs via Group Policy
- [DNSCrypt Setup](https://cleanbrowsing.org/support/operating-systems/dnscrypt): Configure DNSCrypt with CleanBrowsing

## Support — Mobile

- [iOS Setup](https://cleanbrowsing.org/support/mobile/ios): Configure DNS on iPhone/iPad
- [iOS Supervised Mode](https://cleanbrowsing.org/support/mobile/ios-supervised-mode): Deploy DNS filtering on supervised iOS devices
- [Android Setup](https://cleanbrowsing.org/support/mobile/android): Configure DNS on Android
- [Android Private DNS](https://cleanbrowsing.org/support/mobile/android-private-dns): Configure Private DNS (DoT) on Android 9+
- [Android Older Versions](https://cleanbrowsing.org/support/mobile/android-older): DNS setup for Android 8 and earlier
- [Disable Restricted Settings (Android)](https://cleanbrowsing.org/support/mobile/disable-restricted-settings-android): Step-by-step guide for Android 13+ to allow restricted settings when installing CleanBrowsing from outside the Google Play Store. Covers Samsung, Google Pixel, Xiaomi, OnePlus, Oppo, and Motorola.
- [Lock Mobile DNS Settings](https://cleanbrowsing.org/support/mobile/lock-mobile-settings): Prevent users from changing DNS on mobile devices

## Support — Gaming

- [Nintendo Switch](https://cleanbrowsing.org/support/gaming/nintendo-switch): Configure DNS filtering on Nintendo Switch
- [Nintendo Switch YouTube](https://cleanbrowsing.org/support/gaming/nintendo-switch-youtube): Control YouTube access on Nintendo Switch
- [Xbox, PlayStation & Wii](https://cleanbrowsing.org/support/gaming/xbox-playstation-wii): DNS filtering on gaming consoles

## Support — Integrations

- [CleanBrowsing API Reference](https://cleanbrowsing.org/api/): Complete REST API reference for managing categories, profiles, whitelists, blocklists, network IPs, and logs programmatically
- [Bulk Add IPs via API](https://cleanbrowsing.org/support/integrations/bulk-ip-api): Add single or bulk IPs via API with CSV scripts for bash and PowerShell
- [Bulk Subnet Upload](https://cleanbrowsing.org/support/integrations/bulk-subnet-upload): Upload subnets for large network deployments
- [Microsoft Intune](https://cleanbrowsing.org/support/integrations/intune): Deploy CleanBrowsing on Windows fleets using Intune OMA-URI policies
- [Active Directory](https://cleanbrowsing.org/support/integrations/active-directory): CleanBrowsing DNS with Windows Active Directory
- [Google Workspace Chrome DoH](https://cleanbrowsing.org/support/integrations/google-workspace-chrome-doh): Deploy DoH on managed Chromebooks via Google Workspace
- [Mosyle MDM — DoT](https://cleanbrowsing.org/support/integrations/mosyle-dot): Deploy DNS-over-TLS on Apple devices via Mosyle
- [Mosyle MDM — DoH/DoT](https://cleanbrowsing.org/support/integrations/mosyle-doh-dot): Deploy DoH and DoT with Mosyle MDM and Chrome enforcement
- [Mosyle MDM — Proxy](https://cleanbrowsing.org/support/integrations/mosyle-proxy): Deploy CleanBrowsing via Mosyle Global Proxy configuration
- [NordVPN](https://cleanbrowsing.org/support/integrations/nordvpn): Use CleanBrowsing DNS with NordVPN
- [ProtonVPN](https://cleanbrowsing.org/support/integrations/protonvpn): Use CleanBrowsing DNS with ProtonVPN

## Support — Troubleshooting

- [Diagnose DNS Issues](https://cleanbrowsing.org/support/troubleshooting/diagnose-dns-issues): Fix videos not playing, embedded content failing, and other DNS resolution issues
- [Command-Line DNS Tools](https://cleanbrowsing.org/support/troubleshooting/command-line-dns): Complete reference for nslookup, dig, Resolve-DnsName, and host
- [Debug with Browser DevTools](https://cleanbrowsing.org/support/troubleshooting/working-with-devtools): Use browser developer tools to identify blocked domains
- [Clear DNS Cache (Desktop)](https://cleanbrowsing.org/support/troubleshooting/clear-dns-cache-desktop): Flush DNS cache on Windows, macOS, Linux
- [Clear DNS Cache (Browser)](https://cleanbrowsing.org/support/troubleshooting/clear-dns-cache-browser): Clear DNS cache in Chrome, Firefox, Edge, Safari
- [Common Questions](https://cleanbrowsing.org/support/troubleshooting/common-questions): Frequently asked troubleshooting questions
- [Block DNS Bypasses](https://cleanbrowsing.org/support/troubleshooting/block-dns-bypasses-firewall): Prevent DNS bypass with router firewall rules
- [Dynamic IP Scheduler](https://cleanbrowsing.org/support/troubleshooting/dynamic-ip-scheduler): Keep your dynamic IP updated with CleanBrowsing
- [Chrome Secure DNS (DoH)](https://cleanbrowsing.org/support/troubleshooting/chrome-secure-dns): Configure DNS-over-HTTPS in Google Chrome
- [Debug DNS on ChromeBook](https://cleanbrowsing.org/support/troubleshooting/debug-dns-chromebook): Troubleshoot DNS filtering on ChromeOS devices
- [Disable Tor in Brave](https://cleanbrowsing.org/support/troubleshooting/disable-tor-brave): Prevent Tor-based DNS bypass in Brave browser
- [Harden Google Chrome](https://cleanbrowsing.org/support/troubleshooting/harden-chrome): Disable Secure DNS and harden Chrome browser policies
- [Harden Microsoft Edge](https://cleanbrowsing.org/support/troubleshooting/harden-edge): Disable Secure DNS and harden Edge browser policies
- [Install Root CA Certificate](https://cleanbrowsing.org/support/troubleshooting/install-root-ca): Install CleanBrowsing Root CA to avoid block page certificate errors
- [Lock SafeSearch & Disable Blur](https://cleanbrowsing.org/support/troubleshooting/lock-safesearch): Force SafeSearch on and disable Blur via registry/GPO
- [Remote Support (TeamViewer)](https://cleanbrowsing.org/support/troubleshooting/remote-support): Connect with support for hands-on troubleshooting
- [Remove CleanBrowsing](https://cleanbrowsing.org/support/troubleshooting/remove-cleanbrowsing): How to remove CleanBrowsing DNS settings
- [T-Mobile Web Guard](https://cleanbrowsing.org/support/troubleshooting/t-mobile-web-guard): Fix T-Mobile Web Guard conflicts with DNS filtering
- [Track Device Activity](https://cleanbrowsing.org/support/troubleshooting/track-device-activity): Monitor DNS activity and device browsing
- [Ubiquiti DNS Override](https://cleanbrowsing.org/support/troubleshooting/ubiquiti-network-override): Fix Ubiquiti built-in filtering overriding CleanBrowsing
- [Verify SafeSearch](https://cleanbrowsing.org/support/troubleshooting/verify-safe-search): Confirm SafeSearch enforcement is working
- [Apple iOS & macOS Conflicts](https://cleanbrowsing.org/support/troubleshooting/apple-screen-time): Fix Screen Time, Private Relay, and Safari conflicts
- [No Data Available — DNS Inactive](https://cleanbrowsing.org/support/troubleshooting/no-data-dns-inactive): Troubleshoot empty dashboard when DNS is inactive or not routing through CleanBrowsing
- [Chrome & Edge macOS DNS Profiles](https://cleanbrowsing.org/support/troubleshooting/chrome-edge-macos-profiles): Fix Chrome and Edge ignoring macOS DNS profiles (.mobileconfig)
- [Purchase Order (PO) Payment Process](https://cleanbrowsing.org/support/troubleshooting/purchase-order-process): How to pay via purchase order — PO workflow, $150 admin fee, Net-30 terms, multi-year options
- [Firewall & DNS Requirements](https://cleanbrowsing.org/support/troubleshooting/firewall-dns-requirements): Network and firewall requirements for CleanBrowsing DNS — required IPs, ports (53, 853, 443), firewall allowlisting, ISP DNS interception, DNS forwarder troubleshooting, and encrypted DNS (DoH/DoT)
- [Getting Started](https://cleanbrowsing.org/getting-started): Quick-start guide for new users

## Contact

- **Support:** support@cleanbrowsing.org
- **Sales:** sales@cleanbrowsing.org
- **Partners:** partners@cleanbrowsing.org
- **Privacy:** privacyquestions@cleanbrowsing.org

CleanBrowsing, Inc., 220 Adams Drive, Suite 280 #304, Weatherford, Texas 76086