DNS Record Analyzer

Overview

This skill queries and analyzes DNS records for domains, checking for correctness, security best practices, and common misconfigurations. It covers standard records (A, CNAME, MX) and email authentication records (SPF, DKIM, DMARC) with specific validation rules for each.

Instructions

Step 1: Query All Record Types

DOMAIN="example.com"

# Core records
dig +short A $DOMAIN
dig +short AAAA $DOMAIN
dig +short CNAME $DOMAIN
dig +short MX $DOMAIN
dig +short NS $DOMAIN