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Hostname

cal-book.com

Last fetched

cal-book.com resolves to 1 IPv4 address operated by AS4694 in JP. WHOIS lists iana:146 as the registrar.

Nutrition Label

WHISPER CANON · cal-book.comRouting diversity1.5/10Peering density3.1/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency10.0/10Resolver footprint8.0/10canon.whisper.security/host/cal-book.com

Resolution chain

cal-book.com resolves to 1 distinct IPv4 address via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
61.121.247.8261.121.240.0/20AS4694JP

WHOIS identity

Registrar
iana:146
Organization
domains by proxy,
Contact emails

Subdomains

1 observed subdomain of cal-book.com.

Web-graph footprint

Distinct hostnames that link to or from cal-book.com in the public web crawl.

3 sites linked to from this hostname.

Sample inbound links

Threat posture

History

Mail and authentication

Related pages

Pivot deeper into the graph from cal-book.com.

Cypher and MCP

Reproduce the resolution chain directly against graph.whisper.security:

MATCH (h:HOSTNAME {name: "cal-book.com"})-[:RESOLVES_TO]->(ip:IPV4)
      -[:ANNOUNCED_BY]->(ap:ANNOUNCED_PREFIX)
      -[:ROUTES]->(asn:ASN)-[:HAS_NAME]->(n:ASN_NAME)
RETURN ip.name AS ip, ap.name AS prefix, asn.name AS asn, n.name AS operator
LIMIT 20

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