Best DNS for Streaming — Stop Buffering on Netflix and YouTube

You upgraded your internet plan, your router is new, the speed test shows great results — but Netflix still shows that loading spinner in the middle of an episode. YouTube freezes right at the best part of the video. Spotify takes forever to start a song.

The cause might not be your internet speed. It could be DNS.

If streaming feels inconsistent rather than just slow, read our explanation of DNS jitter first. Jitter often explains why buffering appears in short spikes even when your bandwidth looks fine.

Why does DNS affect streaming?

When you open Netflix, a series of things happen before any video frame reaches your device. One of the first is DNS resolution: your device asks the DNS server for the IP address of the streaming servers.

Netflix and YouTube don’t use a single video server. They operate global content delivery networks (CDNs) with dozens of points of presence. DNS is the mechanism that determines which point of presence you’ll use — and this directly impacts streaming quality.

A poorly configured DNS can:

• Take too long to resolve the CDN server address, causing a delay before playback starts.
• Point to a distant CDN server instead of the nearest one, reducing video transfer speed.
• Have high jitter, causing micro-interruptions that manifest as intermittent buffering.

How DNS resolves CDN addresses

Netflix primarily uses its own CDN (Open Connect) and Amazon CloudFront. YouTube uses Google’s infrastructure. Both implement geolocated DNS: depending on which DNS server you use and where it is located, you may be directed to different points of presence.

A poor DNS (like your ISP’s, often located in another city) can make streaming think you’re somewhere else and connect you to a suboptimal CDN server. A modern DNS with distributed infrastructure tends to do better routing.

The best DNS servers for streaming in 2026

Cloudflare 1.1.1.1 and Google 8.8.8.8 stand out for streaming because both have points of presence in major cities worldwide, ensuring low latency and good CDN routing.

If you want a deeper resolver-by-resolver breakdown, see our full Cloudflare vs Google DNS comparison before choosing which service to test first.

Step by step: test and change DNS for streaming

Step 1: Find out which DNS is fastest for you

Don’t rely on global rankings alone — results vary by carrier and location. Before making any changes:

1. Download DNS Benchmark for free from the Play Store or App Store.
2. Open the app and tap “Start Benchmark”.
3. Wait 30–60 seconds for the full test.
4. Note the server with the lowest latency and lowest jitter.

That is the DNS you should configure.

Step 2: Configure DNS on your router (best option for Smart TVs)

To cover Smart TVs and other devices that don’t allow manual DNS configuration, configure it on the router:

1. Access your router’s panel (usually 192.168.0.1 or 192.168.1.1).
2. Find the DNS settings (usually under “WAN” or “Internet”).
3. Replace the primary and secondary DNS with the desired addresses.
4. Save and restart the router.

Step 3: Configure DNS on your phone

For Android, use the Private DNS method (recommended):

• Settings → Connections → More Connection Settings → Private DNS
• Enter one.one.one.one (Cloudflare) or dns.google (Google)

Step 4: Test streaming

Open Netflix or YouTube and play a video at maximum quality. See if there’s an improvement in initial load time and absence of buffering. You can compare before and after using tools like fast.com (for Netflix) or YouTube’s stats overlay.

DNS didn’t fix it? Other causes of buffering

If changing DNS didn’t completely solve the issue, other common causes include:

• Insufficient bandwidth: Netflix 4K requires a sustained 25 Mbps. YouTube 4K needs up to 20 Mbps. Check with a speed test during peak hours.
• Network congestion: in homes with many devices, Wi-Fi may be saturated.
• Weak Wi-Fi signal: use an Ethernet cable or move closer to the router to test.
• Throttling: some carriers reduce streaming speed after a certain data volume. Check with your carrier.
• Overloaded streaming server: during peak hours (weekend evenings), even the best DNS can’t fix congestion on the content server itself.

Frequently asked questions

Does changing DNS improve Netflix? It can, especially if the current DNS is slow or points to suboptimal CDN servers. The impact is most noticeable in initial load time and stream stability, not in download speed itself. Use DNS Benchmark to measure the real improvement.

Which DNS should I use for YouTube without freezing? For YouTube (owned by Google), Google DNS 8.8.8.8 tends to have better integration with YouTube’s CDN infrastructure, but Cloudflare 1.1.1.1 often wins on raw latency. Test both with DNS Benchmark on your network to find out which works best.

Does DNS affect game downloads? Yes, but mainly in the initial resolution of the download servers (Steam, PlayStation Network, etc.). DNS doesn’t affect download speed itself once the connection is established. A faster DNS can reduce the time before a download starts.

Buffering in 4K — is it a DNS problem? 4K buffering is usually caused primarily by insufficient bandwidth (you need at least 25 Mbps stable for 4K on Netflix). DNS is rarely the main bottleneck for 4K, but it can contribute to micro-interruptions if jitter is high. Check your connection speed first, then DNS.

Once you identify the best DNS for your connection, follow our step-by-step Android DNS guide or benchmark another network from the DNS Benchmark app home page.

Test your DNS now

Download DNS Benchmark for free and find the fastest server for your network.