# Domaindex

**Source:** https://www.startuphub.ai/startups/domaindex
**Profile type:** Startup

> Batch domain availability checker for over 500 TLDs with real-time RDAP queries.

## About

Domaindex is a batch domain availability checker that allows users to query any keyword across over 500 TLDs simultaneously. It provides real-time results via parallel RDAP queries without requiring any sign-ups. Domaindex serves individuals and businesses looking to quickly find available domain names.

## Key facts

- **Slug:** domaindex
- **Website:** https://domaindex.io
- **Operating status:** Active
- **Sectors / tags:** Domain Name Availability, Domain Registration, Internet Infrastructure, Web Search, Developer Tools, API Platform
- **Social:**
  - Twitter: https://x.com/ruguodev
  - GitHub: https://github.com/ruguodev

## Frequently asked

### What does Domaindex do?

Domaindex is a batch domain availability checker that allows users to query any keyword across over 500 TLDs simultaneously. It provides real-time results via parallel RDAP queries without requiring any sign-ups. Domaindex serves individuals and businesses looking to quickly find available domain names.

### What industry does Domaindex operate in?

Domaindex operates in Domain Name Availability, Domain Registration, Internet Infrastructure, Web Search, Developer Tools, API Platform.

## JSON-LD

Structured data aligned with this page's `<script type="application/ld+json">` (included when the profile is server-rendered).

```json
{
  "@context": "https://schema.org",
  "@graph": [
    {
      "@type": "BreadcrumbList",
      "itemListElement": [
        {
          "@type": "ListItem",
          "position": 1,
          "name": "Home",
          "item": "https://www.startuphub.ai"
        },
        {
          "@type": "ListItem",
          "position": 2,
          "name": "Startups",
          "item": "https://www.startuphub.ai/startups"
        },
        {
          "@type": "ListItem",
          "position": 3,
          "name": "Domaindex",
          "item": "https://www.startuphub.ai/startups/domaindex"
        }
      ]
    },
    {
      "@type": "ProfilePage",
      "@id": "https://www.startuphub.ai/startups/domaindex#webpage",
      "url": "https://www.startuphub.ai/startups/domaindex",
      "name": "Domaindex - AI Startup Profile | StartupHub.ai",
      "description": "This is the official profile of Domaindex. Domaindex is a startup operating in Domain Name Availability and Domain Registration. Batch domain availability checker for over 500 TLDs with real-time RDAP queries.",
      "dateModified": "2026-07-16T17:11:47.504+00:00",
      "mainEntity": {
        "@id": "https://www.startuphub.ai/startups/domaindex#organization"
      }
    },
    {
      "@type": "Organization",
      "@id": "https://www.startuphub.ai/startups/domaindex#organization",
      "name": "Domaindex",
      "url": "https://domaindex.io",
      "logo": "https://cdn.startuphub.ai/storage/v1/object/public/entity-images/logos/a51d3efa-d1a5-4119-b6a1-7fb2057ac107-square.webp",
      "image": "https://cdn.startuphub.ai/storage/v1/object/public/entity-images/logos/a51d3efa-d1a5-4119-b6a1-7fb2057ac107-square.webp",
      "description": "This is the official profile of Domaindex. Domaindex is a startup operating in Domain Name Availability and Domain Registration. Batch domain availability checker for over 500 TLDs with real-time RDAP queries.",
      "sameAs": [
        "https://x.com/ruguodev",
        "https://github.com/ruguodev",
        "https://www.startuphub.ai/startups/domaindex"
      ],
      "knowsAbout": [
        "Domain Name Availability",
        "Domain Registration",
        "Internet Infrastructure",
        "Web Search",
        "Developer Tools",
        "API Platform"
      ]
    }
  ]
}
```