When we browse from our mobile phones everything seems like a breeze, but under the hood there are key components like DNS that make all the difference. Check which DNS your Android uses and change it if necessary It can give you more speed, privacy and stability, as well as help you diagnose problems when a website doesn't load or loads in fits and starts.
In this guide, I'll tell you, with a practical approach, how to view the current DNS on Android step by step, how to activate encrypted private DNS, how to modify DNS via Wi-Fi, what IP, gateway, or DHCP mean, and what tools can be used to verify if the changes have taken effect. I also include alternatives for other systems and the router, more tricks to polish your network without going crazy.
What is DNS and how does it work?
The Domain Name System is the Internet's contact list: translates easy-to-remember names to IP addresses that the devices understand. When you type a domain, your mobile phone asks a DNS resolver which, if it doesn't know the answer, queries root, TLD, and authoritative servers until it gets it; much of this is accelerated thanks to the cache.
This process happens in milliseconds, but choosing the right provider can reduce waiting times and improve reliability. Some DNS providers log less data or block malicious domains, offering added privacy and security against phishing and identity theft.
Why should you check and sometimes change your DNS?
- UnlimitedFaster resolvers respond faster and improve the feeling of speed while browsing.
- Privacy Providers such as Cloudflare or Quad9 limit or prevent query logging.
- SecurityThere are DNS servers that filter dangerous websites and prevent resolution attacks.
- AccessChanging DNS can bypass resolution-based blocks and isolate carrier failures.
Furthermore, with TLS-encrypted DNS on modern Android you can Protect DNS questions and answers from prying eyesNote that this does not replace a VPN, which encrypts more traffic and offers other guarantees.
IP, gateway, DHCP and DNS: concepts that should not be mixed up
The IP address identifies your device on the local network and to the Internet; the gateway is the default hop, almost always your router; and the DNS is the service that resolves names. The router usually assigns IP and DNS via DHCP.although you can set them manually or activate private DNS.
The IP address can be dynamic or static. For home use, a dynamic address is more convenient, but for home automation systems or local servers, a static address can be useful. Even better: DHCP IP reservation on the router to avoid conflicts and maintain order.
Advantages of a static IP in specific scenarios
- Remote access: facilitates constant connection to cameras, NAS or internal services.
- VPN and rules: simplifies configuring tunnels and firewall policies per device.
- Internal DNS: allows custom names for computers on your LAN without memorizing numbers.
- Stability: prevents IP changes that may break rules or port forwarding.
Disadvantages of setting an IP address on mobile phones
- Complexity: requires knowing ranges and mask; it's not the most user-friendly.
- ConflictIf you repeat an IP address in use, you will cause outages and errors on several computers.
- MaintenanceIf you change the network range, you will need to reconfigure all devices.
- ShowroomKnown addresses can facilitate certain tracking in unsafe environments.
Common gateway types in Android
- Default: home router that routes all traffic to the Internet.
- Mobile: gateway to your operator's 4G or 5G network.
- Wi ‑ Fi: gateway of the wireless network you are connecting to.
- VPNThe tunnel encrypts and routes traffic through the VPN provider's gateway.
- Bluetooth: In tethering or data exchange, there may be a specific gateway.
How do I check which DNS my Android is currently using?
Method 1: Check Private DNS in Settings
Android 9 and later offer private DNS with TLS encryption. Go to Settings, Network & Internet, and enable Private DNS. You'll see three options: Off, Automatic, and Provider HostnameAutomatically attempts to use encrypted DNS if the network supports it; the hostname is set to a specific service like dns.google or one.one.one.one. It is recommended to keep it enabled.
Method 2: Check your Wi-Fi details
Open Settings, Wi-Fi, tap your network, and go to Details or Advanced. On many phones, you'll see DNS 1 and DNS 2 listed. If you don't see them, edit the network and change IP Configuration to Static. so they are displayed without needing to be saved. Keep in mind that if you use private DNS, the actual queries may be encrypted to the configured host even if you see other values ​​here.
Method 3: Check system properties without root
With Termux on your mobile device or ADB from a computer you can run getprop. Commands like getprop net.dns1 or getprop net.dns2 They usually return the active resolvers. This is useful when the manufacturer's Settings layer hides this information or you need to confirm what the system is actually using.
Method 4: Apps that show everything at a glance
Tools such as IP Tools, WiFi Tools, or Fing offer public and local IP, gateway, mask, and DNS, in addition to diagnostic utilities. These apps include features such as Ping, Traceroute, Whois, port scanner, or network scannerAnd in the case of Fing, they identify devices connected to your Wi-Fi using their IP and MAC addresses.
Method 5: External tests to confirm the resolver
Perform a DNS leak test using services like DNSLeakTest, DNSChecker, or WhatsMyDNS to verify which resolver is handling your queries. Complement with a website to view public IP addresses To distinguish between resolution problems and general connectivity issues. Remember: seeing your public IP address doesn't tell you which DNS you're using, but it helps with diagnosis.
Note about the browser's DNS cache
On mobile devices, clearing the browser's DNS cache isn't always possible. If you experience occasional DNS resolution issues, Clear the browser app's cache and data, or restart your network.It is usually sufficient to clean up obsolete entries.
How to change DNS on Android?
Recommended option: Private DNS with TLS encryption
Go to Settings, Network & Internet, Private DNS, select Provider Hostname and enter the service. Examples: dns.google for Google and one.one.one.one for CloudflareWhen saving, all DNS queries are encrypted, both over Wi-Fi and mobile data.
Android 9 had a limitation: if you used a VPN appthe private DNS could be disabledThis was fixed starting with Android 10. Good to know if you notice unexpected results with your VPN app.
Wi-Fi network option: configure manual DNS
If your mobile phone does not have a private DNS or you want to change them via network, press and hold the Wi-Fi icon, tap Modify, go to Advanced options and change IP settings to Static. Fill in DNS 1 and DNS 2 with your preferred servers. This setting affects only that Wi-Fi network.
Popular DNS servers you can use
- Google Public DNS: 8.8.8.8 and 8.8.4.4; IPv6 2001:4860:4860::8888 and 2001:4860:4860::8844; host for private DNS dns.google.
- Cloudflare: 1.1.1.1 and 1.0.0.1; IPv6 2606:4700:4700::1111 and 2606:4700:4700::1001; host one.one.one.one or 1dot1dot1dot1.cloudflare-dns.com.
- Quad9: 9.9.9.9 and 149.112.112.112 with threat filtering; profiles with optional blocking.
On some older devices, when you enter IPv6, you will be asked for all eight fields. If your network is IPv6 only with a NAT64 gateway in 64:ff9b::/96DNS64 exists to provide IPv4 services without further changes.
Verification and diagnosis after DNS change
Browse to several websites and reload them to avoid caching. Run a DNS leak test to confirm the resolver Use Ping or Traceroute from IP Tools to check latency and routes. If something seems off, make sure you're not combining private DNS with manual DNS over Wi-Fi, because the encrypted host usually takes priority.
Forcing renewal helps: Turn Wi-Fi off and on again, or restart your mobile phone and router. To clear caches. If problems persist, revert to the previous configuration and repeat tests to isolate whether the issue is with DNS or connectivity.
Change DNS on Windows, macOS, Linux, ChromeOS, iOS and router
In Windows 10 and 11, open Network Settings, go into your adapter's properties, and manually set DNS servers. On macOS, go to Network, Advanced, DNS tab and add the new onesOn Linux, the usual path is IPv4 or IPv6 configuration in the network manager; on servers you can edit resolv.conf or dhclient.conf depending on your distro.
On iPhone or iPad, within Wi-Fi tap your network, go to Configure DNS and switch to Manual to add the desired servers. In ChromeOS, from the Network section, select your connection and choose Google or custom name servers..
If you prefer that all devices at home use the same DNS, change them on the router: access the device's web panel, locate WAN or Internet and define primary and secondary DNS. Some ISPs block this setting on their own routers.In that case, change the DNS on each device.
Useful official tests to make sure everything is working properly
First, open a familiar website and refresh it several times. Then, enter a literal IP address into your browser to rule out resolution problems. If it works with an IP address but not with a domain, the problem is with the DNS.If nothing responds, revert the changes and check your connection with the operator.
More network settings that may interest you
Android allows you to mark a Wi-Fi network as metered to control data usage on networks with limits. Wi-Fi Direct facilitates local connections without an access point, and WPS is deprecated for security reasons. On modern equipment. In Network Information you will see that the MAC address can be random; note it down if you apply rules or reservations on the router.
A small practical note: airplane mode does not prevent you from manually connecting to Wi-Fi afterward, and Android remembers if you leave Wi-Fi or Bluetooth active in airplane mode For future reference. It's not specific to DNS, but it's useful for mobile testing.
DNS, mobile gaming, privacy, and content
In online games, latency is sent to the server, but a slow resolver can add small delays when connecting. Some platforms use your IP address to match you by region. And some networks block ports in specific ranges. A solid DNS, a stable 5 GHz Wi-Fi or 5G connection, and a working router improve the experience.
In terms of privacy, private DNS encrypts queries, preventing third parties from seeing which domains you are querying. This does not equate to anonymity nor does it replace a VPNThink about layers of protection according to your use case.
Common mistakes and best practices with DNS
DNS isn't just for the browser: email, apps, and VoIP also use it. Classical DNS is not inherently secure And there are poisoning or hijacking attacks. Using DoT or DoH from trusted suppliers, and verifying with tests from time to time, is a great idea.
DNS propagation if you manage websites
When you change DNS records for a domain, resolvers around the world take time to update, depending on the TTL and their caches. Reducing the TTL before a migration speeds up the transitionAnd if something gets stuck, clear local caches and check with your registrar or hosting provider.
Coverage, hardware, and connection speed
A good DNS helps, but it won't work miracles if the signal is poor. Improve coverage with quality access points, mesh systems, or repeaters, and It values ​​fast fiber optic connections, from 600 Mb to 10 Gb Depending on what your provider offers. Adjusting the DNS fine-tunes the experience once the foundation is already solid.
You can now check your Android's DNS, activate encryption with private DNS, change it to Wi-Fi network, validate the result, and understand the role of IP, gateway, and DHCP. With a couple of tests and the right tools, you'll have a more stable, private, and worry-free connection.And if you apply it to your router and other equipment as well, you'll save yourself from having to repeat the configuration every other day. Share this tutorial and help other users check the type of DNS connection they are using on Android.