DNS Tools

Tool	Key Features	Use Cases
dig	Versatile DNS lookup tool that supports various query types (A, MX, NS, TXT, etc.) and detailed output.	Manual DNS queries, zone transfers (if allowed), troubleshooting DNS issues, and in-depth analysis of DNS records.
nslookup	Simpler DNS lookup tool, primarily for A, AAAA, and MX records.	Basic DNS queries, quick checks of domain resolution and mail server records.
host	Streamlined DNS lookup tool with concise output.	Quick checks of A, AAAA, and MX records.
dnsenum	Automated DNS enumeration tool, dictionary attacks, brute-forcing, zone transfers (if allowed).	Discovering subdomains and gathering DNS information efficiently.
fierce	DNS reconnaissance and subdomain enumeration tool with recursive search and wildcard detection.	User-friendly interface for DNS reconnaissance, identifying subdomains and potential targets.
dnsrecon	Combines multiple DNS reconnaissance techniques and supports various output formats.	Comprehensive DNS enumeration, identifying subdomains, and gathering DNS records for further analysis.
theHarvester	OSINT tool that gathers information from various sources, including DNS records (email addresses).	Collecting email addresses, employee information, and other data associated with a domain from multiple sources.
Online DNS Lookup Services	User-friendly interfaces for performing DNS lookups.	Quick and easy DNS lookups, convenient when command-line tools are not available, checking for domain availability or basic information