A fast, modern WHOIS/RDAP lookup tool built with Next.js.
English · 简体中文 · 繁體中文 · Русский · 日本語 · Deutsch · Français · 한국어
- WHOIS & RDAP - Domain, IPv4, IPv6, ASN, CIDR lookup with RDAP-first, WHOIS fallback
- Dynamic OG Images - Satori-based Open Graph image generation via
/api/og - Responsive UI - Shadcn UI + Tailwind CSS, works across mobile, tablet, and desktop. PWA support.
- Dark / Light Theme - System detection with manual toggle
- History & Shortcuts - Local history with search, filter, and keyboard shortcuts
- EPP Status Codes - Human-readable status descriptions with ICANN references
- Registrar & NS Branding - Auto-detected icons for major registrars and nameserver providers
- Domain Metrics - Moz DA/PA/Spam Score integration (optional)
- Redis Caching - Server-side result caching with
Cache-Controlheaders - Open API -
/api/lookupfor programmatic access,/api/ogfor image generation - i18n - English, Chinese (Simplified/Traditional), German, Russian, Japanese, French, Korean
- API Documentation - Built-in
/docspage with interactive examples
See great work from brilliant builders extending this project:
docker run -d -p 3000:3000 programzmh/next-whois-uigit clone https://github.com/zmh-program/next-whois-ui
cd next-whois-ui
pnpm install
pnpm dev| Variable | Description | Default |
|---|---|---|
NEXT_PUBLIC_SITE_TITLE |
Site title | Next Whois |
NEXT_PUBLIC_SITE_DESCRIPTION |
Site description | — |
NEXT_PUBLIC_SITE_KEYWORDS |
Site keywords | — |
NEXT_PUBLIC_HISTORY_LIMIT |
Max history items (-1 = unlimited) | -1 |
NEXT_PUBLIC_MAX_WHOIS_FOLLOW |
Max domain WHOIS follow depth | 0 |
MOZ_ACCESS_ID |
Moz API Access ID | — |
MOZ_SECRET_KEY |
Moz API Secret Key | — |
REDIS_HOST |
Redis host (empty = cache disabled) | — |
REDIS_PORT |
Redis port | 6379 |
REDIS_PASSWORD |
Redis password | — |
REDIS_DB |
Redis database index | 0 |
REDIS_CACHE_TTL |
Cache TTL in seconds | 3600 |
See the built-in API Documentation page, or:
GET /api/lookup?query=google.com — WHOIS/RDAP lookup (parallel, merged results, includes raw responses)
GET /api/og?query=google.com — Dynamic OG image generation
- Next.js 14 (Pages Router, Edge Runtime for OG)
- Whoiser + RDAP client
- Satori (via
next/og) for image generation