Have you ever felt like your mobile connection is slower than usual or worried that your privacy might be compromised every time you browse the Internet? The truth is that a common cause of these problems is the default DNS server you use on your Android device, often overlooked despite its importance. Switching to a more efficient DNS server can not only speed up website loading times but also increase the security of your data and help you bypass blocks without much trouble.
A simple adjustment like changing the DNS on your mobile phone can make all the difference. between clunky browsing and a smooth, private, and secure experience against many common online threats. Furthermore, today there are very advanced free public DNS servers that include content filtering, parental controls, ad blocking, encryption support, and control panels for demanding users.
We'll take a detailed look at what DNS is, how it affects browsing, what types exist, why you should consider alternatives to your ISP's DNS, and, above all, a ranking of the best DNS servers current to enjoy faster, safer and more private Internet from your Android mobile.
What is a DNS server and what is it used for?
El Domain Name System (DNS) It's the system that translates the website names we type into the browser—for example, google.com—into the numerical IP address that identifies the server on the internet. Thanks to this system, you don't have to memorize complex strings of numbers; you only need to remember common domain names.
It works like a giant Internet phone bookEvery time you want to access a website, the DNS queries a hierarchical database to find the corresponding IP address and direct your mobile device to the correct server. This query is performed in milliseconds and is constantly repeated, not only when you open pages in your browser, but also when an app checks for updates, sends notifications, or connects to its servers.
The process, explained step by step, is usually as follows:
- Your mobile phone requests a DNS server the IP address of a domain (for example, androidayuda. Com).
- That appeals court asks the root servers which server manages the top-level domain (.com, .es, etc.).
- Then consult the TLD servers (for example, those who manage .com) who is the authoritative server of the specific domain.
- Finally, the appellant obtains the response from authoritative DNS server from the domain and returns it to your mobile.
This entire process is usually highly optimized and supported by caches. DNS servers temporarily store the answers This avoids having to repeat the entire journey each time someone queries the same domain, which greatly reduces latency.
By default, most users use the DNS server assigned by their internet service provider, but you can easily change it on your Android device or even your home router. This allows you to choose servers with better performance, clearer privacy policies or additional functions such as blocking dangerous websites or adult content.
Why should you consider changing the DNS on your Android?
Using the default DNS can limit both the speed and privacy of your connection.Many carrier DNS servers are not optimized and can be overloaded, slowing down page loading. Additionally, some log browsing information for commercial purposes or open the door to regional blocks and unwanted content.
In our daily internet use on Android devices, browsing speed, website security, and data privacy are factors we all value. However, few users are aware of the crucial role DNS servers play in the overall quality of their connection. Beyond what operators offer by default, there is a wide range of free public DNS servers. designed to improve network access, filter dangerous or uncomfortable content, and protect our personal information.
- Speed Increase: Some DNS servers significantly reduce the time it takes for a mobile device to find the IP address of each website, resulting in pages that start loading faster and less of a feeling of "overthinking" when opening a website or app.
- Enhanced Privacy: Some DNS providers don't keep history or share your activity with third parties, or they severely limit the time they store records, offering greater control over who can see which domains you query.
- Unrestricted access: You can bypass regional blocks from your ISP or access censored services in your country when the block is applied at the DNS level, simply by using servers that do not apply those restrictions.
- Filtering ads and dangerous content: Some DNS servers automatically block trackers, intrusive advertising, or malicious websites, which is essential if you share your mobile phone with minors or want a cleaner browsing experience.
- More security: The best DNS include extra layers of protection against attacks such as Phishingmalware, botnets, or DNS spoofing attempts.
Changing your DNS might seem like a technical task, but on Android it's a simple process. If you follow a few steps in your system settings or use specialized applications, the impact on your daily life is usually immediate: fewer errors loading websites, fewer unexpected crashes, and a greater sense of control over your connection.
Advantages and possible disadvantages of free DNS
Choosing a third-party public DNS server generally provides faster and more secure browsing.These are the strengths and weaknesses you should consider, combining what the main free providers offer today.
- High reliability and availability: The best free DNS providers have fewer outages, a robust infrastructure of data centers spread around the world, and redundancy systems that ensure a server is always available.
- Low latency and higher speed: They typically use optimized global server networks, capable of responding very quickly to queries, which reduces latency and improves the feeling of immediacy when browsing or playing online.
- Additional layers of security: Many offer filters for dangerous sites, phishing, malware, or DNS spoofing attacks, relying on constantly updated threat databases.
- Parental controls and smart filters: Perfect if you're looking to protect minors from accessing inappropriate websites, as they allow you to block entire categories of content (adult, gambling, violence, etc.) without installing additional software on each device.
- Bypass local blocks: They are useful for accessing regionally restricted websites or apps when the blocking is implemented at the name resolution level, which is common in certain networks or countries.
And the drawbacks? Some free services offer less customization or advanced features compared to paid services, such as detailed reports, priority support, or tailored policies for multiple devices.
- Fewer advanced features: Compared to premium solutions, free DNS services may limit the number of custom rules, statistics retention, or the management of multiple profiles for different types of users.
- Variable privacy: Privacy policies can vary considerably between services: some promise not to keep logs, while others temporarily store some queries for internal performance or security analysis.
- Not absolute protection: While they can block a lot of dangerous content, absolute anonymity is only achieved by combining these solutions with VPNs or other encryption systems; DNS alone does not hide your IP address or encrypt all traffic.
- Third Party Dependency: By using a public DNS, you are trusting that entity to properly handle queries, respect its own privacy policy, and maintain a high level of security on its servers.
The key is to choose the DNS that best suits your needs. Balancing speed, privacy, filtering, and ease of useFor most users, a good, free, and well-known DNS is more than enough to improve the experience compared to the operator's default DNS.
DNS Server Types: Find the Right One for You
Currently you can choose between several types of DNS servers, depending on what you prioritize in your connection: speed, security, privacy, filtering or ease of use.
- Public DNS: Open and free access, usually offered by technology companies, foundations, communities, or even institutions. They don't require registration in most cases and are suitable for virtually any home user.
- Private DNS: For internal use in companies or organizations to manage corporate resources. They are not accessible to home users and are usually integrated with directory and access control systems.
- DNS leaks: They incorporate filters to block ads, trackers, adult websites, and malicious content. They are very useful as a first layer of protection and parental control, since they act before the website even loads.
- Encrypted DNS: They use protocols such as DNS-over-HTTPS (DoH), DNS-over-TLS (DoT) o DNSCrypt To ensure that queries between your mobile and the server are protected, so that they cannot be easily intercepted, read, or manipulated on public WiFi networks or by intermediaries.
For most Android users, free public channels (with or without filtering) are the easiest and most effective option.If you're looking for an all-in-one solution for the family, there are DNS services with automatic parental filtering that block entire categories of websites. Meanwhile, those more concerned about privacy can opt for DNS services that don't keep logs or that use extreme encryption via DoH or DoT.
Also keep in mind that many modern servers combine several features at once: The same provider can offer "pure", filtered, and encrypted versions of your service, by only changing the IP addresses or hostname that you configure on your Android.
How to know which DNS you are using on your Android phone
Before you change your DNS, you might want to know which one you currently have configured. On most Android phones, you can find this in your network settings, especially under Wi-Fi.
- Accede to Settings > Network and Internet > WiFi (or Settings > Connections > WiFi, depending on the customization layer).
- Click on the connected WiFi network and enter Advanced Or in the Network details.
- Look for the DNS option. If you see 8.8.8.8 It's Google, 1.1.1.1 It's Cloudflare, and if a local IP address appears (for example, 192.168.1.1) it's the one managed by your router, which in turn usually uses the DNS servers assigned by the provider.
If in doubt, you can also use apps like DNS Changer or similar ones, which show what the current DNS is and allow you to change it easily without needing root.
For mobile (data) connections, Android only allows custom DNS starting with version 9, with the option to “Private DNS”In previous versions, you needed apps that created a kind of local VPN to redirect your queries to another DNS.
Ranking of the best DNS servers for Android
Take note of this carefully curated selection of Free public DNS These IP addresses stand out for their combination of speed, privacy, security, and reliability. We've included the most commonly used IP addresses so you can configure them directly on your device.
Google Public DNS
Addresses: 8.8.8.8 (primary) and 8.8.4.4 (secondary)
Google offers a fast, stable, and free alternative for any user. Its documentation is clear, and its global infrastructure guarantees a reliable solution. very low response timesThis makes it one of the most popular choices for those who simply want everything to work smoothly without complications.
Ideal if you are looking for a simple and reliable experienceHowever, you should be aware that it stores some browsing data temporarily: according to its documentation, users' IP addresses are deleted within approximately 24-48 horas and are not linked to personal accounts. It does not include ad blocking or blocking of dangerous websites by default, but it does implement technical measures to reduce certain DNS-related attacks.
If you are using Android's private DNS feature, the hostname you need to enter is dns. googleThis activates the DNS-over-TLS encrypted version on your mobile device.
Cloudflare DNS
Addresses: 1.1.1.1 (primary) and 1.0.0.1 (secondary)
Cloudflare boasts of having the world's fastest name resolutionwith over 200 locations in its global network of data centers. Many independent tests rank its servers among the fastest and most consistent, especially for online gaming and real-time services.
Prioritize the user privacyIt removes logs very quickly and doesn't share your IP address. Cloudflare states that it purges logs in less than 24 hours And it doesn't share your IP address with third parties for commercial purposes. Its ease of remembering the address makes it perfect for quickly changing the DNS on any device.
Additionally, you can activate extra content blocking features by creating a free account in their dashboard, adjusting filters for advertising, malware, or adult content. To use it as an encrypted private DNS (DoT/DoH) on Android, the most common hostname is 1dot1dot1dot1.cloudflare-dns.com.
Quad9 DNS
Addresses: 9.9.9.9 (primary) and 149.112.112.112 (secondary)
Quad9 is the preferred choice for those looking for Maximum protection against malware, phishing and dangerous websitesIt uses global threat intelligence sources to block dangerous sites in real time, so if you try to access a domain associated with malicious activities, the query is blocked before the page loads.
This service places great emphasis on the privacy and the absence of personal data registrationIt doesn't keep identifiable logs of queries and offers support for encrypted protocols like DNS-over-TLS and DNS-over-HTTPS. It's a secure choice, especially if you prioritize active protection against current threats, although in some regions it may be slightly slower than speed-focused alternatives.
If you configure Private DNS on Android, the usual hostname for Quad9 is dns.quad9.net.
OpenDNS
Addresses: 208.67.222.222 (primary) and 208.67.220.220 (secondary)
OpenDNS, owned by Cisco, is famous for its reliability and for offering extensive customization and filtering optionsIn addition to resolving domains quickly, it allows you to create an account to manage filters by category (more than fifty types of content) and apply parental control or security policies across an entire home or small business network.
It has variants such as OpenDNS Family ShieldIt comes pre-configured for automatic blocking of adult content, making it a very useful tool if you share your connection with minors and don't want to rely on additional apps.
If you prefer to configure OpenDNS at the router level or on different devices, it also has complementary tools and detailed documentation to adapt it to different environments.
AdGuard DNS
Addresses: 94.140.14.14 (primary) and 94.140.15.15 (secondary)
AdGuard stands out for Block ads, trackers, and many invasive elements directly from the DNSwithout needing to install additional software on the device. By operating at the name resolution level, it prevents many domains related to advertising or tracking from being loaded.
It offers several profiles: one default with ad and tracker blocking, another unfiltered if you only want to use their resolution infrastructure, and a profile familiar which adds adult content filters and parental control options.
The free version is sufficient for most users, although the Premium subscription expands customization capabilities and offers advanced features, especially useful if you combine DNS with its blocking applications on other platforms.
NextDNS
Addresses: 45.90.28.0 (IPv4), 2a07:a8c0:: (IPv6)
NextDNS It is the favorite option for advanced users who want to configure custom filtering rules, block ads, trackers, adult websites, malware and much more, all from a very complete control panel.
It allows you to create one account to manage multiple profiles, see detailed reports of which domains are being queriedYou can apply predefined or custom block lists and adjust behavior based on device type. The free version includes a limited number of monthly queries, which is sufficient for many individual users; if you exceed this limit, you can opt for relatively inexpensive paid plans.
NextDNS also functions as an encrypted DNS (DoH/DoT), making it an all-in-one solution for those who want fine control, enhanced privacy, and highly granular filtering.
Clean Browsing
Addresses: 185.228.168.168 (family), 185.228.168.10 (adults), 185.228.168.9 (security)
CleanBrowsing offers different predefined protection levels Depending on your needs, from family filters (which block adult, violent and other sensitive categories) to profiles focused solely on security, designed to prevent access to sites with malware, phishing or malicious content.
Highly recommended if you want to combine parental control and simplicityIt's configured directly on the device or router without any installation. It's also compatible with computers, game consoles, Smart TVs, and virtually any device that supports custom DNS, and its website includes specific guides for various platforms.
VeriSign DNS
Addresses: 64.6.64.6 (primary) and 64.6.65.6 (secondary)
Verisign is betting on reliability and privacyWith servers worldwide and a clear commitment to not selling your information to third parties, it's an interesting option if you're looking for a neutral DNS service without aggressive content filtering, but with a transparent data policy.
Its speed is acceptable, although in many cases not as high as Google or Cloudflare, which are more focused on maximum performance. In return, it stands out for its conservative approach and for including mechanisms for protect against attacks related to the DNS system, maintaining a very robust infrastructure.
FreeDNS
Addresses: 37.235.1.174, 37.235.1.177, 172.104.237.57, 172.104.49.100, 45.33.97.5
FreeDNS is a simple alternative for those looking for reasonable privacy without complicationsIt does not require registration to use public resolution addresses and, according to its documentation, does not keep permanent logs of queries.
It works well for most general navigation situations, but It does not include protection against dangerous websites. nor content filtering, so it is more appropriate for users who only want to change DNS for performance or basic privacy reasons, without adding extra layers of blocking.
OpenNIC
Addresses: 96.90.175.167, 193.183.98.154
OpenNIC is a decentralized, community-run option for those looking for greater independence from large corporations or governmentsIts server network is maintained collaboratively and offers alternative resolvers to traditional ones, including support for certain non-standard domains.
It includes support for encryption technologies like DNSCrypt and is geared towards advanced users who particularly value transparency, experimentation, and decentralization of the domain name system. It's not the easiest option to set up for beginners, but it's one of the most compelling if you're deeply concerned about corporate control over the internet.
Other notable alternatives to public DNS
Besides the big names, there are others Recommended public DNS servers that may be a better fit depending on your location, your type of connection, or your security priorities.
- Comodo Secure DNS: 8.26.56.26 and 8.20.247.20 – Focused on security and blocking dangerous websites, especially sites with malware, phishing or suspicious content.
- CyberGhost DNS: 38.132.106.139 and 194.187.251.67 – Related to the well-known VPN service, designed to combine privacy and speed in navigation.
- UncensoredDNS: 91.239.100.100 and 89.233.43.71 – Unrestricted DNS, maintained by an independent operator, with support for secure protocols and no politically regulated content filtering.
- SafeServe (Namecheap): 198.54.117.10 and 198.54.117.11 – Namecheap service focused on the advanced protection of personal data and stability in resolution.
- Level3: 209.244.0.3 and 209.244.0.4 – Veteran DNS that has been used for years as an alternative to those of the operators, with good global distribution.
- WATCH: 84.200.69.80 and 84.200.70.40 – Option with good performance in certain European regions, without excessive filtering.
- SmartViper: 208.76.50.50 and 208.76.51.51 – Public DNS that offers fast resolution along with domain analysis tools.
- Alternate DNS: 198.101.242.72 and 23.253.163.53 – Focused on the ad blockingIdeal for those looking to clean up their browsing experience without additional apps.
- PuntCAT: 109.69.8.51 – DNS associated with the .cat domain, used by many users in that linguistic community.
- Hurricane Electric: 74.82.42.42 – Operated by one of the largest Internet connectivity providers, suitable for those who value solid infrastructure and extensive experience.
Don't hesitate to try several of these options until you find the one that best suits your needs, whether it's because faster speed, enhanced privacy, or content filtering.
How to choose the best DNS for your Android phone?
Before you rush to change your DNS, it's worth analyzing what you hope to achieve and what limitations your device or network might have. Here are some key factors you should consider:
- Compatibility: Make sure your Android version supports private DNS (DoH/DoT) if you're looking for maximum privacy. Starting with Android 9, the "Private DNS" option makes using encrypted servers much easier.
- Geographic location: Choose servers with nodes near your region To minimize latency, tools like DNSPerf or DNS Benchmark can guide you to the fastest DNS servers in your region.
- Privacy Policy: Check if the DNS keeps logs, for how long, and for what purpose. Prioritize providers with clear policies, external audits, or public commitments not to sell your data.
- Available filters: Decide if you just want speed or if you prefer Parental protection, ad blocking, tracker blocking, or malware protectionSome DNS servers are very "clean" (they only translate domains) and others add multiple layers of filtering.
- Ease of configuration: Some DNS providers offer apps that simplify switching and encryption, while others require manual configuration of IPs or hostnames. If you don't consider yourself an advanced user, it might be more convenient to choose services with dedicated apps.
- Encryption support: If you browse a lot on public or shared WiFi (cafes, libraries, universities), prioritize servers that accept DNS-over-HTTPS or DNS-over-TLS to prevent third parties from spying on or manipulating your queries.
- Special needs: If you use your mobile phone a lot for online gaming, you might be interested in a particularly fast DNS with low latency; if you manage a family environment, parental control may be more important than squeezing every last millisecond out of the connection.
How to change DNS on Android?
Changing the DNS on Android is easier than it seems. Depending on your system version and whether you want to apply the change only to a specific Wi-Fi network or to all connections, you have several options.
1. Change DNS from WiFi Settings
This method allows you to configure custom DNS. for a specific WiFi networkThis is useful if you only want to change the DNS at home or at work, but not on all the networks you connect to.
- Accede to Settings > Network and Internet > WiFi.
- Click on the network and open it Advanced o Network details.
- En IP configuration, choose Static (or static IP).
- Enter your chosen primary and secondary DNS servers in the fields DNS 1 y DNS 2 and save the changes.
This way you only change the DNS for that specific network. If you connect to other Wi-Fi networks, they will continue to use the DNS provided by the router or the corresponding network, unless you repeat the same process for each one.
2. Use the “Private DNS” option (Android 9 or higher)
Starting with Android 9, there is a feature called Private DNS This allows you to configure an encrypted DNS server at the system level. This way, all connections (mobile data and Wi-Fi) pass through that server using secure protocols like DoT.
- Sign in Settings > Network & Internet > Advanced > Private DNS (In some manufacturers, the route may vary slightly).
- Choose Private DNS provider hostname.
- Enter your provider's hostname (for example, dns. google, 1dot1dot1dot1.cloudflare-dns.com, dns.quad9.net, or the one indicated by the service you have chosen).
- Save and you're done, the change applies to all device connections.
Remember: Only hostnames are accepted here, not numeric IPs.Additionally, it is important that the chosen provider supports DNS-over-TLS and has documented the correct host for this function.
3. Specialized apps to change DNS
If your Android device doesn't allow you to easily change the DNS or you want to manage several options without constantly going into Settings, there are very complete applications that facilitate the process and add extra features such as speed tests or pre-configured profiles.
- DNS Changer: Change DNS without root, allows test the speed of different servers It works on both Wi-Fi and mobile data (2G/3G/4G/5G) by creating a local VPN. It's very useful for automatically choosing the fastest DNS in your area.
- DNS Changer IPv4 & IPv6: A variant focused on compatibility with both types of addresses, with a simple interface for those who want to switch between several public DNS servers quickly.
- Blockade: It combines ad, tracker, and malware blocking with DNS management, using WireGuard-based encryption to protect multiple devices. Ideal if you're looking for a ad-free experience with enhanced security From the phone.
- Nebulo: It natively implements DNS over HTTPS and DNS over TLS, ensuring superior security and privacy. It includes quick profiles for Google, Cloudflare, OpenDNS, Quad9, and others, as well as advanced options for power users.
These apps allow you to activate the best DNS according to your current needs (gaming, browsing, streaming, parental control) and easily compare performance without having to memorize addresses or hostnames.
Change DNS on your router and other devices
If you want your entire home network uses the alternate DNSThe most practical way is to configure it directly on the router. This way, any mobile phone, PC, tablet, Smart TV, console, or connected device will receive those DNS addresses by default, and you won't have to adjust the settings for each one individually.
- Access the router's web interface by typing its IP address (usually 192.168.0.1, 192.168.1.1 or another variant) into the browser.
- Log in with the corresponding username and password (if you have never changed it, check the label on the router itself or the operator's documentation).
- Locate the section Internet settings, WAN o DNS, according to the model.
- Enter the new addresses in the fields Primary DNS y Secondary DNS the router.
- Save the changes and, if necessary, restart the router so that the entire network starts using the new DNS.
Remember Each router model has different menusIf you can't find the right section, consult your device manual or look for tutorials specific to your model and carrier.
What to do after changing the DNS?
Once you've changed your DNS server, it's a good idea to run some checks and adjustments to make sure everything is working as expected.
- Flush the DNS cache: Restart your phone to clear old files and apply the new settings. Some apps also store their own cache, so it might be helpful to close and reopen frequently used apps.
- Check navigation: Browse for a few days and see if you've noticed anything speed and stability improvements and access to websites that previously loaded incorrectly or were blocked.
- Try alternatives: If a DNS is not compatible with certain services or you detect problems (for example, websites that do not load or games that show connection errors), try other options from the list until you find the ideal one for your case.
- Monitor security: If you choose a filtering DNS, check that it actually blocks dangerous or inappropriate content websites by visiting test pages that the services themselves usually offer.
To reinforce your anonymity and security, you can complement filtering DNS with encryption systems such as VPN, DNSCrypt, DNS-over-HTTPS or DNS-over-TLSThese technologies add an extra layer of protection between your device and the server, making it harder for third parties to spy on or alter your queries.
The world of public DNS servers is much broader and more powerful than commonly believed: choosing the right server not only speeds up address lookups, but also adds an extra layer of protection against threats, helps bypass annoying blocks, and gives you greater control over the information associated with your browsing. Taking a few minutes to try different alternatives and combining the right DNS with good security practices on Android can completely transform the quality of your online experience.