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Hostname directory

Hostnames

2,724,858,694

hostnames indexed in WhisperGraph · last refreshed

Whisper Internet Directory documents 2,724,858,694 hostnames — every fully-qualified DNS name observed across public DNS, Common Crawl, certificate transparency, and BGP-routed reverse DNS. Each hostname has a canonical page at /host/<name> listing its resolution chain, WHOIS identity, subdomain sample, web-graph footprint, and threat posture.

How to find a hostname page

Append any fully-qualified hostname to /host/. The page is generated on first visit and cached at the edge for subsequent reads.

https://canon.whisper.security/host/<hostname>

Worked examples:

Popular examples

A hand-picked sample of well-known hostnames — not a ranking, and not the directory's extent. Every public hostname has a page; try any name in the URL bar.

Browse hostnames by prefix

Walk the full curated hostname inventory alphabetically. Each tile opens a paginated browse page of every indexed hostname sharing that prefix.

Cypher and MCP

Reproduce the headline count directly against graph.whisper.security:

CALL db.labels() YIELD * WHERE label = "HOSTNAME" RETURN count

Or query Whisper from your own LLM workflow via the Whisper MCP server.

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