How to Block Gambling Sites on WiFi Using Router or DNS

To block gambling sites on WiFi, use a router control or DNS filtering service that explicitly covers gambling and betting domains. Apply it at the router, reconnect the devices in your home, and test every browser and device you rely on. A router filter only covers traffic that uses that home network and its filtering path, so mobile data, another WiFi network, custom encrypted DNS, or a VPN may bypass it.

What WiFi Blocking Can Cover #

A network-level filter can reduce access across several devices at once. Its actual coverage depends on the router, DNS provider, device settings, and the way each site or app connects.

• Router category controls may block categories selected in the router's own app or settings.
• Custom router blocklists may stop named domains, if the router supports them.
• DNS filtering checks a requested domain against categories and custom lists before returning its address.
• Device controls still matter for mobile data, other networks, apps with different connection methods, and settings that a user can change.

DNS filtering works at the domain level. It may not distinguish one page inside a shared domain, identify every new mirror domain immediately, or block an app that does not use the filtered resolver.

Before You Change Router Settings #

Prepare a recovery path before editing the network:

1. Use the router manufacturer's official app or support page to find the admin settings.
2. Confirm that you know the current admin credentials.
3. Record the current DNS setting, including primary, secondary, IPv4, and IPv6 values where shown.
4. Save the manufacturer's instructions for reverting DNS or resetting the router.
5. Make sure one phone has mobile data in case the home internet stops working.

Google warns that an incorrect or unavailable custom DNS server can stop connected devices from reaching the internet. Keeping the old values makes it easier to reverse the change.

1. Check the Router's Own Controls #

Open the router's official app or local administration page. Look for names such as:

• Content filter
• Parental controls
• Website blocking
• Block and allow sites
• Access control
• DNS or custom DNS

If the router offers a gambling or betting category, enable it for the devices or profiles you want covered. If it only accepts domains, add the domains you know you use, including regional and product-specific domains. A short manual list needs regular review because operators can use several domains.

Test the setting before relying on it. Router labels such as family, adult, security, or safe browsing do not automatically mean gambling is included.

2. Choose a DNS Filter Carefully #

A DNS filter replaces the resolver normally supplied by the internet provider. When a device asks for a domain, the filtering resolver checks that domain against its policy and either returns the address or a block response.

Before choosing a provider, confirm all of the following on its current official documentation:

1. It has a specific gambling or betting category, or a custom denylist.
2. That feature is included in the plan you intend to use.
3. It supports your router's IPv4 and IPv6 settings.
4. It explains how to test whether your network is using the filter.
5. Its privacy policy and logging controls are acceptable to you.
6. It provides a clear way to restore ordinary DNS if the service is unavailable.

For example, CleanBrowsing documents a category_gambling category and custom blocklists in its account controls. Its free predefined filters focus on security, adult content, and family filtering, so do not assume the free filters include gambling. Check current pricing and feature documentation before setting it up.

3. Put the Filter on the Router #

The exact menu differs by router. The general sequence is:

1. Open the router's official app or administration page.
2. Find DNS, Internet, WAN, DHCP, or Advanced networking.
3. Change the setting from automatic or ISP DNS to custom DNS.
4. Enter the provider's primary and secondary IPv4 addresses.
5. Enter its IPv6 addresses when the router and internet connection use IPv6.
6. Save the configuration.
7. Restart or reconnect devices if the router does not refresh them automatically.

Google Nest Wifi and Google Wifi place custom DNS under Google Home > Wi-Fi > Network settings > Advanced Networking > DNS. Google supports primary and secondary custom values for IPv4 and IPv6.

eero places the setting under Settings > Advanced networking > DNS. eero says saving custom DNS reboots the network. It also documents that active eero Plus filters can make the custom DNS control unavailable, so review the router's existing filtering features before changing them.

Use instructions for your exact router model and firmware. Menu paths change, and some internet-provider routers do not expose custom DNS.

4. Test Without Placing a Wager #

Do not use a real deposit or bet to test a block. A safer test sequence is:

If you changed categories or custom lists in CleanBrowsing, allow 30 to 45 minutes for those dashboard changes to reach its resolver network. Then clear the device and browser DNS caches before testing. Other providers may use different update times, so check their current support guidance.

1. Open the DNS provider's test or status page and confirm that it recognizes the filtered network.
2. In a private browser window, open the home page of a domain you want blocked without signing in.
3. Repeat in each browser used at home.
4. Test a phone, computer, tablet, and any other device used for gambling access.
5. Close and reopen the browser or reconnect WiFi if an old DNS result is cached.
6. Test both an IPv4 and IPv6 connection if the provider offers a diagnostic page for each.
7. Record any domain or app that still works so you can inspect that path separately.

One successful block does not prove complete coverage. Test the actual devices, browsers, and domains that matter to your plan.

5. Check the Main Bypass Paths #

Mobile data and other WiFi networks

A home-router setting stops applying when a phone switches to cellular data or another network. Add a device-level control or a filtering profile that travels with the phone if you need coverage away from home.

Android Private DNS

Android can use a Private DNS provider hostname across networks. If the phone points to another provider, its DNS path may differ from the router filter. Review Settings > Network & internet > Private DNS and test the phone on WiFi after any change.

Chrome Secure DNS

Chrome enables Secure DNS in automatic mode by default and also lets a user choose a custom provider. A custom provider can behave differently from the resolver configured on the router. Review Chrome > Settings > Privacy and security > Security > Use secure DNS, then test the same domains again.

Apple iCloud Private Relay

Apple says Private Relay includes DNS name resolution and Safari traffic for eligible iCloud+ users. Test Safari with Private Relay on and off rather than assuming the router sees the same DNS path in both cases.

VPNs and privacy apps

A VPN may carry DNS and browsing traffic through its own tunnel. Some antivirus, parental-control, and privacy apps also install a local VPN or encrypted DNS profile. Review active VPNs and profiles on every device, then test again.

Router and device administration

Someone with router or device admin access may be able to change the filter. If you want a trusted person to hold an admin password or filtering PIN, agree on that arrangement in advance and keep it freely chosen and safe. Do not share banking or primary email passwords as part of a blocking plan.

6. Troubleshoot Common Failures #

Nothing is blocked

• Confirm that the device is connected to the intended WiFi network.
• Use the provider's status page to check which DNS resolver is active.
• Check whether the selected plan actually includes a gambling category.
• Review both IPv4 and IPv6 settings.
• Look for custom Private DNS, Secure DNS, VPN, or security-app settings on the device.
• Reconnect the device or clear its DNS cache using the operating system's supported process.

Browsers are blocked but an app still works

The app may use another domain, a shared service, a cached address, or a different DNS path. Review the provider's logs only if you have chosen to enable them and understand the privacy tradeoff. Add confirmed domains to a custom denylist, and use a device-level blocker for coverage outside the browser.

The internet stops working

Restore the previous DNS values or return the router to automatic DNS. Check the provider's status and the exact addresses you entered. Avoid repeated router resets until you have followed the manufacturer's recovery instructions.

A legitimate service is blocked

Use the provider's logs or support process to identify the domain. Add a narrow allow entry only when you understand what it restores. Broad exceptions can reopen access that the filter was meant to reduce.

7. Add Barriers Outside the Home Network #

WiFi filtering works best as one part of a wider plan:

1. Block or limit access on Android, iPhone, and Chrome.
2. Use applicable self-exclusion programs and operator account controls.
3. Ask your bank about gambling transaction blocks and other money barriers.
4. Remove gambling notifications, saved passwords, payment shortcuts, and advertising permissions.
5. Use the quit gambling plan to prepare for urges, high-risk times, and attempts to change the filter.
6. Use the help directory when gambling is affecting essential bills, debt, housing, relationships, work, or safety.

The strongest setup uses independent barriers. A gap in one layer should still leave another layer between an urge and a bet.

Official References #

• Google Nest Help: Change your DNS server
• eero Support: Set up custom DNS servers
• Android Help: Connect through Private DNS
• Chrome Help: Manage Secure DNS
• Apple Support: About iCloud Private Relay
• CleanBrowsing: How DNS filtering works
• CleanBrowsing API: Gambling category and custom blocklist controls
• CleanBrowsing: Predefined free filters
• CleanBrowsing: Common questions and propagation timing

These instructions and sources were checked on August 15, 2026. Router firmware, provider plans, menu names, and filtering coverage can change.