Top DNS Threats in 2025 and How to Block Them

Top DNS Threats in 2025 and How to Block Them

Table of Contents

DNS threats are evolving:

  • DNS tunneling (exfiltration)

  • Fast flux domains

  • Reflection attacks

  • Domain shadowing

Prevent them with:

  • RPZ (Response Policy Zones)

  • Logging and monitoring

  • Limiting recursive queries

  • Using DoH/DoT with verified endpoints

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