Heimdal Assistance and Support Help Center home page
HEIMDAL Dashboard HEIMDAL Products HEIMDAL Blog Submit a request
Sign in
  1. Heimdal Assistance and Support
  2. FAQs
  3. DNS Security
  4. DNS Security FAQs
  • Is Heimdal™ DNS Security a traditional antivirus solution?
  • What threat types does DNS Security monitor?
  • Why is DNS Security blocking a website that I'm trying to access?
  • How does the Investigate view work?
  • What to do in case DNS Security Network causes DNS errors?
  • What domains are blocked by the Block by Category functionality?
  • How to fix the NCSI causing connectivity issues on Microsoft applications (Outlook, Teams and others)?
  • Recommended Actions for Vectorᴺ Detections
  • Recommended Actions for Vectorᴺ Detections
Heimdal Assistance and Support Help Center home page

One Platform. Total Security

Follow us:

Product Overview
  • DNS Security - Network
  • DNS Security - Endpoint
  • Patch & Asset Management - 3rd Party Software
  • Patch & Asset Management - OS Updates
  • Endpoint Detection - Next-Gen Antivirus
  • Endpoint Detection - Firewall
  • Endpoint Detection - REP
  • Privileges & App Control - PEDM
  • Privileges & App Control - Application Control
  • Email Protection - Email Security
  • Email Protection - Email Fraud Prevention
  • Remote Desktop
Get the latest Heimdal Agent
  • HEIMDAL Agent - Production (for Windows)
  • HEIMDAL Agent - RC (for Windows)
  • HEIMDAL Agent - Production (for macOS)
  • HEIMDAL Agent - RC (for macOS)
  • HEIMDAL Delivery Launcher (for Windows)
  • HEIMDAL DNS-N LogAgent (for Windows)
  • HEIMDAL DNS-N LogAgent (for Ubuntu)
Support & Terms
  • Submit a ticket
  • License Agreement and Privacy Policy
  • Cookies
  • Online dispute resolution

©2025 Heimdal® Vat No. 35802495, Vester Farimagsgade 1, 2 Sal, 1606 København V