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Hostname

4cs.co.jp

Last fetched

4cs.co.jp resolves to 1 IPv4 address operated by AS9597 in JP.

Nutrition Label

WHISPER CANON · 4cs.co.jpRouting diversity1.5/10Peering density2.8/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency3.3/10Resolver footprint3.2/10canon.whisper.security/host/4cs.co.jp

Resolution chain

4cs.co.jp resolves to 1 distinct IPv4 address via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
150.60.172.33150.60.0.0/16AS9597—JP

WHOIS identity

Registrar
—
Organization
fosizu co,ltd
Contact emails
—

Subdomains

6 observed subdomains of 4cs.co.jp.

Subdomain
devenv.4cs.co.jp
staffblog.4cs.co.jp
stg.4cs.co.jp
test-staffblog.4cs.co.jp
www.4cs.co.jp

Showing 5 of 6. View all subdomains →

Web-graph footprint

Distinct hostnames that link to or from 4cs.co.jp in the public web crawl.

107 sites link to this hostname.

92 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

5 SPF mechanisms authorising senders for 4cs.co.jp.

MechanismTarget
SPF_INCLUDE_spf.activegate-ss.jp
SPF_INCLUDE_spf.google.com
SPF_INCLUDE_spf.willap.jp
SPF_INCLUDEspf.secure.ne.jp
SPF_IP160.17.0.0/16

Related pages

Pivot deeper into the graph from 4cs.co.jp.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "4cs.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.