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Hostname

coursekey.com

Last fetched

coursekey.com resolves to 2 IPv4 addresses operated by AUTOMATTIC - Automattic, Inc in US. WHOIS lists iana:146 as the registrar.

Nutrition Label

WHISPER CANON · coursekey.comRouting diversity2.4/10Peering density4.4/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency10.0/10Resolver footprint4.6/10canon.whisper.security/host/coursekey.com

Resolution chain

coursekey.com resolves to 2 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
199.16.172.90199.16.172.0/24AS2635AUTOMATTIC - Automattic, IncUS
199.16.173.122199.16.173.0/24AS2635AUTOMATTIC - Automattic, IncUS

WHOIS identity

Registrar
iana:146
Organization
on behalf of coursekey.com owner
Contact emails

Subdomains

3 observed subdomains of coursekey.com.

Web-graph footprint

Distinct hostnames that link to or from coursekey.com in the public web crawl.

43 sites link to this hostname.

Threat posture

History

Mail and authentication

SPF policy

6 SPF mechanisms authorising senders for coursekey.com.

MechanismTarget
SPF_INCLUDE7762472.spf07.hubspotemail.net
SPF_INCLUDEmailgun.org
SPF_INCLUDEsendgrid.net
SPF_INCLUDEspf.autopilothq.com
SPF_INCLUDEspf.protection.outlook.com
SPF_MXcoursekey.com

Related pages

Pivot deeper into the graph from coursekey.com.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "coursekey.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.