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Hostname

csp-ef.jp

Last fetched

csp-ef.jp resolves to 1 IPv4 address operated by AS131965 in JP.

Nutrition Label

WHISPER CANON · csp-ef.jpRouting diversity1.5/10Peering density2.8/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency6.7/10Resolver footprint5.2/10canon.whisper.security/host/csp-ef.jp

Resolution chain

csp-ef.jp resolves to 1 distinct IPv4 address via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
183.90.228.54183.90.224.0/20AS131965—JP

WHOIS identity

Registrar
—
Organization
nbs
Contact emails

Subdomains

2 observed subdomains of csp-ef.jp.

Subdomain
stg.csp-ef.jp
www.csp-ef.jp

Web-graph footprint

Distinct hostnames that link to or from csp-ef.jp in the public web crawl.

41 sites link to this hostname.

23 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

  • csp-ef.jp

SPF policy

4 SPF mechanisms authorising senders for csp-ef.jp.

MechanismTarget
SPF_Acsp-ef.jp
SPF_Asv1153.xserver.jp
SPF_INCLUDEspf.sender.xserver.jp
SPF_MXcsp-ef.jp

Related pages

Pivot deeper into the graph from csp-ef.jp.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "csp-ef.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.