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Hostname

jfn.co.jp

Last fetched

jfn.co.jp appears in WhisperGraph with partial WHOIS records but no current public IPv4 resolution.

Nutrition Label

WHISPER CANON · jfn.co.jpRouting diversity0.0/10Peering density0.0/10MOAS conflict✓ noneThreat-feed listings6.8/10WHOIS transparency3.3/10Resolver footprint4.6/10canon.whisper.security/host/jfn.co.jp

Resolution chain

jfn.co.jp has no current public IPv4 resolution in WhisperGraph. The WHOIS record below is the only graph data we have on this hostname.

WHOIS identity

Registrar
—
Organization
japan fm network corporation
Contact emails
—

Subdomains

19 observed subdomains of jfn.co.jp.

Subdomain
center.jfn.co.jp
devform-admin.jfn.co.jp
devform.jfn.co.jp
file.jfn.co.jp
form-admin.jfn.co.jp
form.jfn.co.jp
mail.jfn.co.jp
oalist.jfn.co.jp
pod.jfn.co.jp
secretariat.jfn.co.jp
secured.jfn.co.jp
select.jfn.co.jp
shop.jfn.co.jp
site.jfn.co.jp
sundaysilence.jfn.co.jp
v-lor.jfn.co.jp
www.jfn.co.jp
www4.jfn.co.jp
www6.jfn.co.jp

Web-graph footprint

Distinct hostnames that link to or from jfn.co.jp in the public web crawl.

404 sites link to this hostname.

244 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

7 SPF mechanisms authorising senders for jfn.co.jp.

MechanismTarget
SPF_INCLUDE_spf.google.com
SPF_INCLUDEmedia-radar.jp
SPF_IP210.236.39.217/32
SPF_IP35.73.64.243/32
SPF_IP52.192.143.223
SPF_IP54.250.173.218
SPF_IP54.64.97.35

Related pages

Pivot deeper into the graph from jfn.co.jp.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "jfn.co.jp"})-[: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.