DNS Cache Poisoning / Rebinding

What is DNS-REBINDING-ATTACK?

DNS-REBINDING-ATTACK is a high-severity network adapter problem. 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. The steps below are ordered to resolve this efficiently.

Common Causes

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

Step-by-Step Fix Guide

• 1
  Flush the DNS cache: ipconfig /flushdns

  As a first move, Flush the DNS cache: ipconfig /flushdns handles the most common scenario behind DNS-REBINDING-ATTACK.

• 2
  Check the C:\Windows\System32\drivers\etc\hosts file for suspicious entries

  For cases that don't clear up right away, the remaining steps target less typical network instability problems.

• 3
  Set DNS to Cloudflare (1.1.1.1) or Google (8.8.8.8)

  Try "Set DNS to Cloudflare (1.1.1.1) or Google (8.8.8.8)" next if the issue persists — it addresses a secondary cause.

Commands & Diagnostics

Frequently Asked Questions