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Typing a bare domain is the fastest way to see what an organisation has running on hosting platforms. acme.com, https://app.acme.com/login, and domain:acme.com all run the same search.

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What matches

An app belongs to a domain when any one of three signals matches:
  1. The hostname contains the domain. Provider hostnames usually fold a custom domain into their slug, so acme-com-dashboard.vercel.app matches acme.com, and so does a hostname that contains the dotted form.
  2. An email address on the page is on the domain. A contact address such as security@acme.com attributes the app.
  3. The page text mentions the domain.

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How the domain is read

  • Schemes, subdomains, paths, ports, and credentials are stripped: https://user@app.acme.com:8443/x?y searches acme.com.
  • The suffix must be a real public suffix. acme.co.uk searches acme.co.uk; config.json and v2.1 are not domains and are searched as free text.
  • Several domains must all match. acme.com domain:acme.io and domain:acme.com,acme.io both return only apps tied to both domains. This is the one filter whose comma-separated values AND together rather than OR.

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When nothing matches

If a domain search returns no results, the console offers the domain’s name as a keyword search: acme.com becomes acme. That matches titles and page text that mention the name without the suffix, which catches apps that spell the organisation out but never link to its domain.