# VectorDNS

DNS lookup, WHOIS, and domain monitoring tool. Search nameservers, check domain availability, and track DNS record changes over time.

## Features

- **DNS Record Lookup** — Query A, AAAA, MX, TXT, NS, CNAME, SOA, CAA, and SRV records for any domain
- **WHOIS Lookup** — View registrar, registration/expiration dates, nameservers, and domain status
- **Domain Availability** — Check if a domain is registered or available via IANA RDAP
- **Domain Monitoring** — Save domains to a dashboard, track DNS changes over time, get alerts when records change
- **Change Detection** — Daily automated re-checks with visual diffs showing what changed
- **Notifications** — In-app notification feed + email alerts via Resend
- **Dark Mode** — Dark theme by default with light mode toggle

## Tech Stack

- **Framework**: Next.js 16 (App Router) + React 19
- **Language**: TypeScript (strict mode)
- **Styling**: Tailwind CSS v4 + shadcn/ui
- **Auth & Database**: Supabase (auth, Postgres, RLS, realtime)
- **DNS**: Tangerine (DNS-over-HTTPS via Cloudflare/Google)
- **WHOIS**: whoiser (RDAP-based, free)
- **Email**: Resend
- **Deployment**: Vercel
- **Package Manager**: Bun

## Getting Started

### Prerequisites

- [Bun](https://bun.sh) >= 1.3
- A [Supabase](https://supabase.com) project (free tier works)
- (Optional) [Resend](https://resend.com) API key for email alerts

### Setup

```bash
# Clone and install
git clone <repo-url>
cd vectordns
bun install

# Configure environment
cp .env.local.example .env.local
# Fill in your Supabase URL, anon key, and other values

# Run database migrations
# (see supabase/migrations/ once they exist)

# Start dev server
bun dev
```

Open [http://localhost:3000](http://localhost:3000) to see the app.

### Environment Variables

| Variable | Required | Description |
|---|---|---|
| `NEXT_PUBLIC_SUPABASE_URL` | Yes | Your Supabase project URL |
| `NEXT_PUBLIC_SUPABASE_ANON_KEY` | Yes | Supabase anonymous/public key |
| `SUPABASE_SERVICE_ROLE_KEY` | Yes | Service role key (for cron jobs) |
| `CRON_SECRET` | Yes | Secret to authenticate Vercel cron requests |
| `RESEND_API_KEY` | No | Resend API key for email notifications |

## Project Structure

```
app/
  page.tsx                    # Landing page with search
  layout.tsx                  # Root layout (theme, fonts, metadata)
  globals.css                 # Tailwind v4 + shadcn/ui CSS vars
  lookup/[domain]/page.tsx    # DNS results page (public)
  auth/                       # Login, signup, OAuth callback
  dashboard/                  # Authenticated domain tracking
  api/
    dns/lookup/               # DNS record lookup endpoint
    whois/lookup/             # WHOIS lookup endpoint
    availability/check/       # Domain availability endpoint
    domains/                  # Saved domains CRUD
    cron/check-domains/       # Daily re-check (Vercel cron)
    notifications/            # Notification endpoints
components/
  ui/                         # shadcn/ui components
  layout/                     # Header, footer, sidebar
  lookup/                     # Search form, record displays
  dashboard/                  # Domain list, detail, diff views
lib/
  dns/                        # Tangerine DNS service
  whois/                      # whoiser WHOIS service
  availability/               # RDAP availability service
  monitoring/                 # Change detection + snapshot logic
  notifications/              # Notification service
  email/                      # Resend email functions
  supabase/                   # Server/client/middleware clients
  auth/                       # Auth server actions
  types/                      # Shared TypeScript types
supabase/
  migrations/                 # SQL schema + RLS policies
```

## Current Status

### Done

- [x] Project scaffolding (Next.js 16, Tailwind v4, TypeScript)
- [x] shadcn/ui setup with dark mode (next-themes)
- [x] Landing page with domain search form

### TODO

See [ROADMAP.md](./ROADMAP.md) for the full phased build plan. Next up:

- [ ] TypeScript type definitions (`lib/types/`)
- [ ] Supabase schema + migrations + RLS
- [ ] DNS / WHOIS / availability service layers
- [ ] API routes for public lookups
- [ ] Supabase auth (GitHub, Google, email, magic link)
- [ ] DNS results page (`/lookup/[domain]`)
- [ ] Dashboard with domain tracking
- [ ] Change detection + daily cron
- [ ] Notifications (in-app + email)

## Scripts

```bash
bun dev        # Start development server
bun run build  # Production build
bun start      # Start production server
bun lint       # Run ESLint
bun test       # Run integration tests
```

## License

GPL-2.0