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Hostname

c-system.dk

Last fetched

c-system.dk resolves to 2 IPv4 addresses operated by CLOUDFLARENET - Cloudflare, Inc. in CA.

Nutrition Label

WHISPER CANON · c-system.dkRouting diversity—Peering density—MOAS conflict—Threat-feed listings—WHOIS transparency—Resolver footprint—canon.whisper.security/host/c-system.dk

Resolution chain

c-system.dk resolves to 2 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
104.21.85.94104.21.80.0/20AS13335CLOUDFLARENET - Cloudflare, Inc.CA
172.67.204.64172.67.192.0/20AS13335CLOUDFLARENET - Cloudflare, Inc.CA

WHOIS identity

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Subdomains

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Web-graph footprint

Distinct hostnames that link to or from c-system.dk in the public web crawl.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

10 SPF mechanisms authorising senders for c-system.dk.

MechanismTarget
SPF_Abb-8.c-system.dk
SPF_Ac-system.dk
SPF_Aweb01.c-system.dk
SPF_Awindu.c-system.dk
SPF_Ayoda.c-system.dk
SPF_INCLUDEspf-eu.emailsignatures365.com
SPF_INCLUDEspf.protection.outlook.com
SPF_IP49.12.60.82
SPF_IP87.61.82.67
SPF_MXc-system.dk

Related pages

Pivot deeper into the graph from c-system.dk.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "c-system.dk"})-[: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.