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Professional DNS query CLI with Rich terminal output, reverse lookups, and WHOIS integration.
This is a quick overview — security theory, architecture, and full walkthroughs are in the learn modules.
- Query A, AAAA, MX, NS, TXT, CNAME, and SOA records with colored table output
- Reverse DNS lookup to resolve IP addresses back to hostnames
- Trace DNS resolution path from root servers to authoritative nameservers
- Batch lookups with concurrent queries for processing domain lists
- WHOIS integration for domain registration information
- JSON export for scripting and pipeline integration
uv tool install dnslookup-cli
dnslookup query example.comTip
This project uses just as a command runner. Type just to see all available commands.
Install: curl -sSf https://just.systems/install.sh | bash -s -- --to ~/.local/bin
| Command | Description |
|---|---|
dnslookup query |
Query DNS records for a domain with colored table output |
dnslookup reverse |
Resolve an IP address back to its hostname |
dnslookup trace |
Trace the DNS resolution path from root to authoritative servers |
dnslookup batch |
Query multiple domains concurrently from a file |
dnslookup whois |
Retrieve WHOIS registration information for a domain |
This project includes step-by-step learning materials covering security theory, architecture, and implementation.
| Module | Topic |
|---|---|
| 00 - Overview | Prerequisites and quick start |
| 01 - Concepts | Security theory and real-world breaches |
| 02 - Architecture | System design and data flow |
| 03 - Implementation | Code walkthrough |
| 04 - Challenges | Extension ideas and exercises |
AGPL 3.0