DNS Leak Checker

How to Fix DNS Leaks on iPhone

iPhones can leak DNS queries, particularly on cellular networks. Check with our DNS Leak Checker, then secure your device with these steps.

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Step 1: Change DNS on Wi-Fi

Go to Settings → Wi-Fi → tap the (i) next to your network → Configure DNS → Manual. Add:

Step 2: Install a DNS Profile (System-Wide)

For protection on both Wi-Fi and cellular, install Cloudflare's 1.1.1.1 app or a DNS configuration profile. This applies encrypted DNS across all connections on your iPhone.

Step 3: Use NordVPN

The most complete protection is NordVPN's iOS app. It routes all traffic — including DNS — through an encrypted tunnel, preventing leaks on any network. Download it from the App Store.

Step 4: Verify

Open Safari and visit our DNS Leak Checker to confirm your iPhone is no longer leaking DNS.

Stop leaks for good

A VPN with private DNS on every server, a kill switch and WebRTC protection closes every leak this site tests for.

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