Network · high

How to fix DNS Cache Poisoning / Rebinding

Error code: DNS-REBINDING-ATTACK

What this error means

The web browser or DNS cache has been poisoned, causing redirects to bad websites. The usual suspects are infected router with fake DNS records, malware modifying hosts file and public WiFi hotspot with manipulated DNS.

Updated

Before you begin

Save open work and back up important files. Use instructions for your exact device and software version. If Windows cannot start, see the startup guide.

Work through these checks

0 of 3 complete
01Flush the DNS cache: ipconfig /flushdns
  1. Flush the DNS cache: ipconfig /flushdns
What to expect

Check whether the original symptom still occurs.

If it does not help

Continue only if this check applies to your device. Consult its manufacturer if you are unsure.

Browse related errors
02Check the C:\Windows\System32\drivers\etc\hosts file for suspicious entries
  1. Check the C:\Windows\System32\drivers\etc\hosts file for suspicious entries
What to expect

Check whether the original symptom still occurs.

If it does not help

Continue only if this check applies to your device. Consult its manufacturer if you are unsure.

Browse related errors
03Set DNS to Cloudflare (1.1.1.1) or Google (8.8.8.8)
  1. Set DNS to Cloudflare (1.1.1.1) or Google (8.8.8.8)
What to expect

Check whether the original symptom still occurs.

If it does not help

Continue only if this check applies to your device. Consult its manufacturer if you are unsure.

Browse related errors

Possible causes

  • Infected router with fake DNS records
  • Malware modifying hosts file
  • Public WiFi hotspot with manipulated DNS