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Hostname

calhoun.io

Last fetched

calhoun.io resolves to 1 IPv4 address operated by GOOGLE-CLOUD-PLATFORM - Google LLC in US. WHOIS lists iana:1387 as the registrar.

Nutrition Label

WHISPER CANON · calhoun.ioRouting diversity1.5/10Peering density1.9/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency3.3/10Resolver footprint4.6/10canon.whisper.security/host/calhoun.io

Resolution chain

calhoun.io resolves to 1 distinct IPv4 address via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
104.198.14.52104.198.0.0/20AS396982GOOGLE-CLOUD-PLATFORM - Google LLCUS

WHOIS identity

Registrar
iana:1387
Organization
registrant of calhoun.io
Contact emails
—

Subdomains

8 observed subdomains of calhoun.io.

Subdomain
book.calhoun.io
ckespa.calhoun.io
courses.calhoun.io
indie.calhoun.io
kodama.calhoun.io
signup.calhoun.io
store.calhoun.io
www.calhoun.io

Web-graph footprint

Distinct hostnames that link to or from calhoun.io in the public web crawl.

112 sites link to this hostname.

75 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

3 SPF mechanisms authorising senders for calhoun.io.

MechanismTarget
SPF_INCLUDE_spf.google.com
SPF_INCLUDEckespa.calhoun.io
SPF_INCLUDEmailgun.org

Related pages

Pivot deeper into the graph from calhoun.io.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "calhoun.io"})-[: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.