domsniper

All-in-one domain intelligence toolkit -- WHOIS, DNS, security recon, portfolio management, and automated domain sniping. Built with Bun.

Install

# Run directly (no install)
bunx domsniper

# Install globally
bun add -g domsniper

# Or clone for development
git clone https://github.com/t-rhex/domain-sniper.git
cd domain-sniper && bun install

Requirements: Bun runtime, whois and dig CLI tools.

Quick Start

# Interactive TUI
domsniper

# Check a domain
domsniper example.com --headless

# JSON output (pipe to jq)
domsniper --headless --json example.com

# Full security recon
domsniper recon example.com

# Generate name ideas
domsniper suggest startup --check

# Snipe a domain (auto-register when it drops)
domsniper snipe add expiring-domain.com
domsniper snipe run

Features

Domain Intelligence

• WHOIS & RDAP -- Registration, expiry, registrar details
• DNS Records -- A, AAAA, MX, TXT, CNAME
• HTTP Probe -- Status, redirects, parked domain detection
• SSL Certificates -- Issuer, expiry, SANs, protocol
• Domain Scoring -- 0-100 (length, TLD, readability, brandability, SEO)
• Wayback Machine -- Archive history, snapshot count
• Social Media -- Username availability (12 platforms)
• Tech Stack -- 40+ technologies (CMS, frameworks, CDN, analytics)
• Backlinks -- PageRank + CommonCrawl estimation
• Suggestions -- Name ideas from keywords
• TLD Expansion -- Check a name across all major TLDs
• Variations -- Typos, plurals, prefixes, suffixes

Security Recon (on by default, toggle with n key)

• Port Scanner -- 20 ports, banner grabbing
• Security Headers -- 9 headers, A+ to F grading
• Email Security -- SPF/DKIM/DMARC audit
• WAF Detection -- 10 firewalls (Cloudflare, AWS, Akamai, etc.)
• Blacklist Check -- 8 DNS blocklists
• Sensitive Paths -- 37 paths (.env, .git, admin panels, SQL dumps)
• CORS Check -- 6 attack vectors
• Cert Transparency -- Subdomain discovery via crt.sh
• Subdomain Takeover -- 16 services (GitHub Pages, Heroku, S3, etc.)
• DNS Zone Transfer -- AXFR vulnerability check
• Reverse IP -- Shared hosting discovery
• ASN/Geolocation -- Network, ISP, location

Portfolio Manager

• Track domains with purchase price, renewal dates, registrar
• P&L tracking, transactions, valuations, ROI
• Renewal calendar with alerts (90/60/30/7 days)
• Health monitoring (WHOIS, DNS, HTTP, SSL)
• Categories, pipeline, bulk operations
• CSV export (portfolio, transactions, tax)

Automation

• Snipe Engine -- Watch -> detect expiry -> auto-register -> notify
• Watch Mode -- Hourly monitoring
• Drop Catch -- 30-second polling for pending-delete domains
• Webhooks -- Slack, Discord, email notifications

HTTP Proxy

• Intercept and log HTTP traffic
• Request replay
• CA cert generation for HTTPS
• Credential redaction in logs

TUI Usage

Global shortcuts (work anywhere):

| Key | Action | |-----|--------| | / or i | Scan domains | | f | Load from file | | e | TLD expansion | | Space | Tag/untag domain | | Tab | Cycle intel tabs (Overview / DNS / Security / Recon) | | n | Toggle recon mode | | s | Cycle status filter | | o | Cycle sort | | b | Portfolio dashboard | | m | Marketplace | | ? | Help | | q | Quit |

Domain actions (press Enter on a selected domain to open context menu):

| Key | Action | |-----|--------| | r | Register domain | | z | Snipe (auto-register when it drops) | | p | Add to portfolio | | d | Suggest similar names | | v | Generate variations | | e | Check other TLDs | | w | Tag for watching | | h | View scan history | | c | Clear cache | | Enter | Rescan |

Mouse: Click domain list items, INTEL tabs, and footer buttons.

CLI Commands

# Scanning
domsniper example.com --headless          # Quick check
domsniper --headless --json example.com   # JSON output
domsniper --headless --recon example.com  # With security recon
domsniper recon example.com              # Standalone recon report

# Domain discovery
domsniper suggest startup --check         # Generate + check ideas
domsniper expiring --tld com             # Browse expiring domains

# Sniping
domsniper snipe add example.com           # Add snipe target
domsniper snipe list                      # List targets
domsniper snipe run                       # Start snipe engine
domsniper dropcatch example.com           # Direct drop catch

# Portfolio
domsniper portfolio --dashboard           # Overview
domsniper portfolio --pnl                 # Profit & loss
domsniper portfolio --health              # Health check all domains
domsniper portfolio --renewals            # Renewal calendar
domsniper portfolio --export-csv out.csv  # Export

# Marketplace
domsniper market signup                   # Create account
domsniper market browse                   # Browse listings
domsniper market list example.com -p 500  # List for sale
domsniper market offer -l 1 -a 300       # Make offer

# Proxy
domsniper proxy start --port 8080         # Start interceptor
domsniper proxy history --host target.com # Browse captured traffic
domsniper proxy replay 42                 # Replay a request

# Utilities
domsniper db --stats                      # Database stats
domsniper config --show                   # View config
domsniper check-update                    # Check for updates
domsniper completions zsh                 # Shell completions

Configuration

cp .env.example .env

Key settings:

• REGISTRAR_PROVIDER / REGISTRAR_API_KEY -- For domain registration (GoDaddy/Namecheap/Cloudflare)
• MARKET_URL -- Marketplace server URL
• S3_BUCKET / S3_ACCESS_KEY_ID -- Cloud export storage

# Persistent config
domsniper config --set concurrency=10
domsniper config --set notifications.webhookUrl=https://hooks.slack.com/...

Architecture

src/core/              Portable business logic (40+ modules)
src/core/db.ts         SQLite database (scans, portfolio, cache, snipes)
src/proxy/             HTTP/HTTPS interceptor
src/app.tsx            TUI (React + @opentui)
src/index.tsx          CLI (Commander)
src/market-client.ts   Marketplace API client

See docs/ARCHITECTURE.md and docs/SECURITY.md.

Contributing

1. Fork and clone
2. bun install
3. Write tests: bun test
4. Type check: bunx tsc --noEmit
5. Submit PR

License

MIT