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Hostname

castelfey.fr

Last fetched

castelfey.fr resolves to 1 IPv4 address operated by O2SWITCH - O2SWITCH SAS in FR. WHOIS lists registrar:scaleway as the registrar.

Nutrition Label

WHISPER CANON · castelfey.frRouting diversity1.5/10Peering density3.1/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency3.3/10Resolver footprint3.2/10canon.whisper.security/host/castelfey.fr

Resolution chain

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

IPPrefixASNOperatorCountry
78.40.10.13778.40.8.0/22AS50474O2SWITCH - O2SWITCH SASFR

WHOIS identity

Registrar
registrar:scaleway
Organization
ano nymous
Contact emails
—

Subdomains

2 observed subdomains of castelfey.fr.

Subdomain
mail.castelfey.fr
www.castelfey.fr

Web-graph footprint

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

13 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

3 SPF mechanisms authorising senders for castelfey.fr.

MechanismTarget
SPF_Acastelfey.fr
SPF_IP109.234.160.19
SPF_MXcastelfey.fr

Related pages

Pivot deeper into the graph from castelfey.fr.

Cypher and MCP

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

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