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Hostname

mfchallenge.nl

Last fetched

mfchallenge.nl resolves to 1 IPv4 address operated by AS24940 in DE. WHOIS lists registrar:revenew b.v. as the registrar.

Nutrition Label

WHISPER CANON · mfchallenge.nlRouting diversity1.5/10Peering density7.6/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency0.0/10Resolver footprint8.2/10canon.whisper.security/host/mfchallenge.nl

Resolution chain

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

IPPrefixASNOperatorCountry
136.243.104.87136.243.0.0/16AS24940DE

WHOIS identity

Registrar
registrar:revenew b.v.
Organization
Contact emails

Subdomains

1 observed subdomain of mfchallenge.nl.

Web-graph footprint

Distinct hostnames that link to or from mfchallenge.nl in the public web crawl.

Sample inbound links

Threat posture

History

Mail and authentication

SPF policy

8 SPF mechanisms authorising senders for mfchallenge.nl.

MechanismTarget
SPF_Amechangroep.nl
SPF_Amfchallenge.nl
SPF_INCLUDEspf.formdesk.com
SPF_INCLUDEspf.mandrillapp.com
SPF_INCLUDEspf.protection.outlook.com
SPF_IP46.144.195.170
SPF_IP92.64.127.70
SPF_MXmfchallenge.nl

Related pages

Pivot deeper into the graph from mfchallenge.nl.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "mfchallenge.nl"})-[: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.