How to Change DNS Settings on Any Device

Your DNS (Domain Name System) is essentially the internet's phone book — it translates human-readable domain names like google.com into the IP addresses computers actually use to connect. Every time you visit a website, your device quietly consults a DNS server to look up that address.

By default, your ISP (Internet Service Provider) assigns you a DNS server automatically. But you're not locked into it. Changing your DNS is one of the most underrated tweaks available to everyday users — it can affect browsing speed, privacy, and even which content is accessible on your network.

Why Would You Change Your DNS?

There are a few common reasons people make the switch:

• Speed: Third-party DNS providers sometimes resolve queries faster than your ISP's default servers, reducing the tiny delay before a page starts loading.
• Privacy: ISP-assigned DNS servers can log your browsing activity. Privacy-focused DNS providers offer stricter no-log policies.
• Security: Some DNS services filter out known malicious domains, adding a layer of protection against phishing and malware.
• Content filtering: Useful for households or organizations that want to block certain categories of content at the network level.
• Reliability: If your ISP's DNS goes down, your internet feels broken — even though your connection itself is fine.

Understanding the Two Levels: Device vs. Router

Before you change anything, it helps to understand where DNS settings actually live.

Device-level DNS — changed directly on a phone, laptop, or desktop — only affects that one device. Every other device on your network continues using the default.

Router-level DNS — changed in your home router's admin panel — applies to every device connected to that network automatically. This is the more powerful approach for household-wide changes.

Choosing between them depends on whether you want a personal configuration or a network-wide one. 🌐

How to Change DNS on Windows

1. Open Settings → Network & Internet → Wi-Fi (or Ethernet, depending on your connection).
2. Click on your active network, then scroll to DNS server assignment.
3. Select Edit, switch from Automatic (DHCP) to Manual.
4. Toggle on IPv4, then enter your preferred and alternate DNS addresses.
5. Save and reconnect if necessary.

On older Windows versions (10 and below), the path goes through Control Panel → Network and Sharing Center → Change adapter settings, then right-clicking your adapter and selecting Properties → Internet Protocol Version 4 (TCP/IPv4).

How to Change DNS on macOS

1. Go to System Settings → Network.
2. Select your active connection and click Details (or Advanced on older macOS).
3. Navigate to the DNS tab.
4. Use the + button to add new DNS server addresses, and remove old ones if needed.
5. Click OK and then Apply.

How to Change DNS on Android

Android handles DNS a bit differently depending on the version and manufacturer skin.

• On Android 9 and later, you can set a Private DNS under Settings → Network & Internet → Private DNS. This uses DNS-over-TLS (DoT) for encrypted queries — you'll enter a hostname rather than an IP address.
• For older versions or specific network-level settings, you typically need to configure DNS per Wi-Fi network: long-press your network, select Modify, switch to Static IP, and enter DNS values manually.

How to Change DNS on iPhone and iPad 📱

1. Go to Settings → Wi-Fi.
2. Tap the (i) icon next to your connected network.
3. Scroll to DNS and tap Configure DNS.
4. Switch from Automatic to Manual, remove existing servers, and add your preferred ones.

Note: iOS DNS changes are per-network. If you switch Wi-Fi networks, you'll need to configure DNS there separately — unless you use a configuration profile or VPN that handles it globally.

How to Change DNS on Your Router

The exact steps vary by router brand and model, but the general process is consistent:

1. Open a browser and enter your router's IP address (commonly 192.168.1.1 or 192.168.0.1).
2. Log in with your admin credentials.
3. Find the WAN or Internet settings section.
4. Look for DNS settings — there's usually a primary and secondary field.
5. Enter your chosen DNS addresses and save.

Some routers pull DNS settings from your ISP automatically (via DHCP) and don't expose a manual override easily — this varies significantly by router model and firmware.

Common DNS Address Formats

DNS servers are identified by IP addresses. Most well-known providers offer both an IPv4 address (e.g., 8.8.8.8) and an IPv6 equivalent. Some also provide a hostname for encrypted DNS protocols like DNS-over-HTTPS (DoH) or DNS-over-TLS (DoT).

Variables That Determine Your Best Setup

There's no single DNS configuration that works best for everyone. The right choice depends on factors specific to your situation:

• Your primary goal — speed, privacy, content filtering, or reliability
• Your devices and OS versions — some support encrypted DNS natively; others don't
• Whether you want a device-level or network-wide change
• Your router's capabilities — not all routers allow custom DNS, especially ISP-provided gateway devices
• Your technical comfort level — router-level changes require accessing admin panels and understanding IP configuration basics

A privacy-conscious user running a home server has very different needs than a parent looking to filter content for kids on a shared network — and both differ from someone simply trying to speed up browsing on a work laptop. The mechanics of changing DNS are the same across these scenarios, but which settings make sense depends entirely on what you're actually trying to solve.