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Hostname

esf.net

Last fetched

esf.net resolves to 1 IPv4 address operated by AS16276 in FR. WHOIS lists iana:1636 as the registrar.

Nutrition Label

WHISPER CANON · esf.netRouting diversity1.5/10Peering density10.0/10MOAS conflict✓ noneThreat-feed listings8.0/10WHOIS transparency10.0/10Resolver footprint3.2/10canon.whisper.security/host/esf.net

Resolution chain

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

IPPrefixASNOperatorCountry
51.68.44.18951.68.0.0/16AS16276FR

WHOIS identity

Registrar
iana:1636
Organization
domain admin
Contact emails

Subdomains

5 observed subdomains of esf.net.

Web-graph footprint

Distinct hostnames that link to or from esf.net in the public web crawl.

393 sites link to this hostname.

262 sites linked to from this hostname.

Threat posture

History

Mail and authentication

SPF policy

2 SPF mechanisms authorising senders for esf.net.

MechanismTarget
SPF_INCLUDEmx.ovh.com
SPF_INCLUDEspf.flexmail.eu

Related pages

Pivot deeper into the graph from esf.net.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "esf.net"})-[: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.