DNS Lookup CLI Tool

beginner

A CLI tool for DNS queries supporting multiple record types, batch lookups, response timing, and comparison across resolvers. Provides formatted output with TTL information and supports both forwar...

Target user

Network admins and developers who troubleshoot DNS issues

Problem

Network administrators need a quick CLI tool for DNS lookups across multiple record types and resolvers without memorizing complex dig command syntax.

Requirements

Query multiple DNS record types
Support batch lookups from file
Compare results across resolvers
Show response timing and TTL
Perform reverse DNS lookups

Core technologies

Node.js, TypeScript, dns

Completion criteria

Users can perform DNS lookups for multiple record types, batch queries, and cross-resolver comparisons with timing data.

Optional extensions

Add DNSSEC validation
Implement zone transfer support
Add export to JSON
Support DNS over HTTPS