Setting DNS Anti Block 2025 (AdGuard & CloudFlare) on Android & PC
The fast and barrier-free internet is a major need in the digital era. However, sometimes we face problems Access blocked sites by an Internet Service Provider (ISP). Fortunately, there is a practical solution without the need for a VPN, i.e. anti-blocking dns settings.
By changing DNS, you can open restricted sites, speed up connections, while protecting privacy. Year 2025, public DNS such as Adguard DNS and CloudFlare DNS (1.1.1.1) It is a popular choice because of its speed, security, and ease of use.
This article will discuss how to set anti-block dns on android and pc, complete with advantages, comparison tables, and FAQs so that you can choose the best DNS as needed.
What is DNS and why can open blocked sites?
Before discussing how to set it, it is important to understand what DNS is.
DNS (Domain Name System) Works like an internet phone book — changing a domain name (eg google.com) to an IP address that the server can recognize.
Usually, we use the default DNS from the ISP. However, ISP DNS often filters or blocks certain sites according to government policy or service provider.
By changing DNS to a public provider such as Adguard or CloudFlare, you can skip the filter because the address search system uses its own path that is not controlled by the ISP.
In short:
ISP default DNS → can block sites.
Public DNS → Neutral, fast, and unrestricted lanes.
Benefits of Using Anti-Block DNS
Replacing DNS is not only useful for opening restricted sites, but also provides a variety of additional benefits:
| Benefit | Explanation |
|---|---|
| Access blocked sites | Public DNS does not follow ISP blocking, so you can open restricted sites. |
| Privacy is safer | DNS such as AdGuard and CloudFlare do not keep track of the user’s browsing history. |
| faster performance | Public DNS servers are usually faster in translating site addresses. |
| Block Ads & Tracker | Some DNS, such as AdGuard, automatically block ads and malware. |
| Free & Easy to install | No need for additional applications, just change the DNS settings on the device. |
According to the report TECHNO COMPASS, public DNS users such as CloudFlare have increased access speed by up to 20% compared to local ISP DNS.
Best Anti Block DNS Choice 2025
There are many public DNS that can be used, but the two most recommended in the year 2025 is Adguard DNS and CloudFlare DNS (1.1.1.1). Both are fast, stable, and proven to be effective in opening restricted sites.
1. Adguard DNS
Adguard is known as DNS that prioritizes Privacy and protection of ads. This DNS automatically filters out trackers, pop-ups, and malicious sites.
Adguard DNS (default) address:
IPv4:
94.140.14.14and94.140.15.15IPv6:
2A10:50C0::AD1:FFand2A10:50C0::AD2:FF
Adguard DNS Non-filtering (without ad block):
IPv4:
94.140.14.140and94.140.14.141
2. Cloudflare DNS (1.1.1.1)
Cloudflare is one of the fastest DNS in the world. The main focus is speed and privacy, without saving user data.
Cloudflare DNS address:
IPv4:
1.1.1.1and1.0.0.1IPv6:
2606:4700:4700::1111and2606:4700:4700::1001
CloudFlare also provides a free application called 1.1.1.1: Faster & Internet Safer which can be downloaded directly from the Play Store or App Store.
how to set anti-block dns on android (without app)
You can change DNS on Android without root or additional applications. Here are the steps:
Step 1: Open Settings
Go to Settings → Network & Internet → Internet (or Wi-Fi).
Step 2: Select a Wi-Fi network
Press and hold the name of the Wi-Fi network you are using, then select Modify Network or Edit Network.
Step 3: Change DNS Manual
Scroll down and select the option Advanced → IP Settings → Static.
Enter the DNS according to your choice:
Example for CloudFlare DNS:
DNS 1:
1.1.1.1DNS 2:
1.0.0.1
Example for Adguard DNS:
DNS 1:
94.140.14.14DNS 2:
94.140.15.15
Step 4: Save and Reconnect
Pressure save, then reconnect Wi-Fi.
Now your connection is using a new DNS which is faster and anti-blocking.
How to Set Anti Block DNS on a PC or Laptop (Windows 10/11)
The steps are slightly different on the PC, but still easy to do:
Step 1: Open Network Settings
Right-click the icon Wi-Fi or Ethernet On the taskbar, select Open Network & Internet Settings.
Step 2: Select Adapter
Go to Change Adapter Options, then right click the active connection → Properties.
Step 3: Set Manual DNS
Elect Internet Protocol Version 4 (TCP/IPv4) → Properties.
Check Use the following DNS Server addresses, then fill in:
CloudFlare DNS:
Preferred DNS:
1.1.1.1Alternate DNS:
1.0.0.1
or use Adguard DNS:
Preferred DNS:
94.140.14.14Alternate DNS:
94.140.15.15
Click Ok, then restart your internet connection.
2025 anti-block DNS comparison table
| DNS provider | Speed (ms)* | Main features | Privacy | suitable for |
|---|---|---|---|---|
| Adguard DNS | 25–35 | Ad block, anti-malware, high privacy | Very safe | Users who want to be ad-free |
| CloudFlare DNS (1.1.1.1) | 15–25 | High speed, no logs | Secure | Gamers, online workers |
| Google DNS (8.8.8.8) | 20–30 | Stable, global coverage | Quite safe | General, Multi-Device |
*Data based on global trials from DNSPERF 2025.
Tips for Choosing the Best Anti-Block DNS
Pay attention to speed:
If you’re streaming or gaming frequently, choose the fastest DNS like CloudFlare.Prioritize Privacy:
For personal data protection, Adguard DNS is the best choice.Use the DNS combination:
You can try primary DNS from CloudFlare and secondary from Adguard to keep the connection stable.Use support apps (optional):
Apps like 1.1.1.1 by CloudFlare or Adguard DNS App Simplify automatic settings without manual change.
FAQ about anti-blocking DNS settings
1. Is changing DNS safe?
Yes, safe. DNS only changes the way the device finds the site address, not the contents of your data.
2. Can DNS open all blocked sites?
Most can, especially sites that are restricted by ISP DNS. However, for sites that are blocked at the server level or state law, DNS may not be enough.
3. Can DNS speed up the internet?
Can. Public DNS usually has a faster and more efficient global server.
4. Is it necessary to use a VPN after changing DNS?
not mandatory. DNS is enough to open a lightweight site, but the VPN remains stronger to change the IP location.
5. Does DNS settings apply to all networks?
Not always. If you change DNS on a Wi-Fi network, it only applies to that network, unless you change the DNS on the main system of the device.
Conclusion
Set DNS Anti Blocking in 2025 is a simple and free solution to enjoy a freer, faster, and safer internet.
Good Adguard DNS as well as CloudFlare DNS Offers excellent features — just adjust it to your needs.
Based on the report TechRadar 2025, CloudFlare still leads in terms of speed, while Adguard excels in privacy and ad blocking.
With the guide above, you can now anti-blocking dns settings on android and pc No hassle and no additional applications. The internet becomes smoother, free of censorship, and remains protected.
