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Hostname

rcf.fr

Last fetched

rcf.fr resolves to 1 IPv4 address operated by Online SAS in FR.

Nutrition Label

WHISPER CANON · rcf.frRouting diversity—Peering density—MOAS conflict—Threat-feed listings—WHOIS transparency—Resolver footprint—canon.whisper.security/host/rcf.fr

Resolution chain

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

IPPrefixASNOperatorCountry
163.172.137.195163.172.0.0/16AS12876Online SASFR

WHOIS identity

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Subdomains

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Web-graph footprint

Distinct hostnames that link to or from rcf.fr in the public web crawl.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

8 SPF mechanisms authorising senders for rcf.fr.

MechanismTarget
SPF_INCLUDE_spf.google.com
SPF_INCLUDE_spf.salesforce.com
SPF_INCLUDEspf.eudonet.com
SPF_IP149.72.203.251/32
SPF_IP52.30.130.201/32
SPF_IP54.229.2.165/32
SPF_IP90.85.204.65
SPF_IP91.216.43.87/32

Related pages

Pivot deeper into the graph from rcf.fr.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "rcf.fr"})-[: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.