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Hostname

courius.com

Last fetched

courius.com resolves to 1 IPv4 address operated by AS3223 in NL. WHOIS lists iana:1587 as the registrar.

Nutrition Label

WHISPER CANON · courius.comRouting diversity1.5/10Peering density9.5/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency10.0/10Resolver footprint4.6/10canon.whisper.security/host/courius.com

Resolution chain

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

IPPrefixASNOperatorCountry
5.254.39.935.254.39.0/24AS3223—NL

WHOIS identity

Registrar
iana:1587
Organization
buschman consultancy b.v.
Contact emails

Subdomains

1 observed subdomain of courius.com.

Subdomain
www.courius.com

Web-graph footprint

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

36 sites link to this hostname.

56 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

8 SPF mechanisms authorising senders for courius.com.

MechanismTarget
SPF_Acourius.com
SPF_INCLUDE_spf.exactonline.nl
SPF_INCLUDE_sw.gimple.nl
SPF_INCLUDEspf.flowmailer.net
SPF_INCLUDEspf.protection.outlook.com
SPF_IP185.190.86.77
SPF_IP95.170.70.238
SPF_MXcourius.com

Related pages

Pivot deeper into the graph from courius.com.

Cypher and MCP

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

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