DNS Security Scan

Check for common DNS security misconfigurations and best practices.

DNS Security Scan

Enter a domain to check for DNS security misconfigurations.

Enter a domain name (e.g., example.com) to check for DNS security misconfigurations

About DNS Security

DNS (Domain Name System) is a critical part of the internet infrastructure that translates human-readable domain names into IP addresses. Due to its importance, DNS security is essential for protecting your online presence.

Why DNS Security Matters

  • Prevents DNS Spoofing: Protects against attackers redirecting your users to malicious websites
  • Protects Email: Proper email security records (SPF, DKIM, DMARC) prevent email spoofing
  • Ensures Availability: Proper DNS configuration ensures your services remain accessible
  • Maintains Trust: Secure DNS helps maintain trust with your users and customers

Key DNS Security Measures

  • DNSSEC: Adds cryptographic signatures to DNS records to prevent tampering
  • SPF, DKIM, and DMARC: Email authentication protocols that prevent email spoofing
  • CAA Records: Control which Certificate Authorities can issue SSL certificates for your domain
  • DNS Redundancy: Multiple nameservers ensure availability even if one fails
  • Zone Transfer Restrictions: Prevent unauthorized access to your DNS zone data

Common DNS Security Issues

  • Missing DNSSEC: Leaves your domain vulnerable to DNS spoofing attacks
  • Weak or Missing Email Security: Allows attackers to send emails that appear to be from your domain
  • Single Point of Failure: Using only one nameserver can lead to availability issues
  • Exposed Zone Transfers: Allows attackers to gather information about your DNS infrastructure
  • Outdated DNS Software: May contain vulnerabilities that can be exploited

Interpreting Scan Results

Our DNS Security Scan checks for common misconfigurations and best practices. Results are categorized as:

  • Pass: The check passed without any issues
  • Warning: Potential issues that should be addressed but aren't critical
  • Fail: Critical issues that should be addressed immediately
  • Info: Informational findings without a pass/fail status

DNS SECURITY SCAN FAQs