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How to Stop Adult Content on the Internet by DNS

Custom DNS services provide an easy and effective way to block adult content across all devices connected to your network. Here are some options
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Blocking adult content online is an essential step in ensuring a safe internet environment for children, students, or even self-regulation. A reliable and effective method is by changing your DNS (Domain Name System) settings to use a family-safe DNS provider. This method is free, easy to implement, and works on all devices connected to your home network.

Note: DNS filtering only blocks domains, not encrypted or direct IP traffic. Combine it with other parental controls for maximum effect.

What is DNS and How Does it Work?

DNS stands for Domain Name System. It translates website names (like example.com) into IP addresses that your computer uses to load web pages. By changing your DNS settings to a family-safe provider, you redirect your traffic through a filter that blocks adult or unsafe websites.

DNS Provider Primary DNS Secondary DNS Category Filtered
CleanBrowsing (Family Filter) 185.228.168.168 185.228.169.168 Adult, Porn, Proxy
OpenDNS (Family Shield) 208.67.222.123 208.67.220.123 Adult Content
Cloudflare (Family) 1.1.1.3 1.0.0.3 Malware, Adult Content

Steps to Block Adult Content via DNS

  1. Choose a family-safe DNS provider (e.g., CleanBrowsing or OpenDNS).
  2. Go to your device’s network settings or router dashboard.
  3. Find the DNS settings section.
  4. Replace existing DNS entries with the safe DNS IPs.
  5. Save changes and reboot your device/router.
Warning! Make sure to lock your router settings with a strong password to prevent tampering.

“Prevention is better than cure — protecting children from harmful content is a proactive responsibility.”

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How to Apply on Specific Devices

You can apply DNS settings either on your Wi-Fi router to cover all devices or individually on:

  • Windows: Network > Properties > Edit DNS
  • Android: Wi-Fi > Advanced > IP Settings > Static > DNS
  • iPhone: Settings > Wi-Fi > Configure DNS > Manual
Tip: You can use apps like CleanBrowsing or OpenDNS to monitor and control DNS usage easily.
Can DNS really block all adult content?

DNS filtering blocks most adult websites, but it's not 100% foolproof. For better control, use DNS with browser filters or parental control software.

Is DNS filtering free to use?

Yes, services like CleanBrowsing, OpenDNS, and Cloudflare offer free DNS filtering options.

Can I block specific websites with DNS?

Most free DNS services block categories, not specific websites. For more control, paid services or local DNS filtering tools are better.

Will it slow down my internet?

Not significantly. Many DNS services like Cloudflare are optimized for speed and security.

How can I test if adult content is blocked?

Try accessing an adult site after applying DNS changes. You should be redirected to a block page or get a connection error.

Can kids bypass DNS filters?

Yes, tech-savvy users can. That’s why it's important to lock router settings and supervise device usage.

Is DNS filtering better than browser extensions?

DNS works network-wide and can't be easily disabled, while extensions work per browser and are easier to bypass.

Should I use paid DNS filters?

If you need usage reports, custom block lists, or better accuracy, paid filters like CleanBrowsing Pro or NextDNS are excellent options.

Source:
www.opendns.com | www.cleanbrowsing.org | www.cloudflare.com

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