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Hostname

ys-sys.co.jp

Last fetched

ys-sys.co.jp resolves to 1 IPv4 address operated by AS4725 in JP.

Nutrition Label

WHISPER CANON · ys-sys.co.jpRouting diversity1.5/10Peering density4.3/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency3.3/10Resolver footprint3.2/10canon.whisper.security/host/ys-sys.co.jp

Resolution chain

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

IPPrefixASNOperatorCountry
61.123.156.4261.123.0.0/16AS4725—JP

WHOIS identity

Registrar
—
Organization
yoshida system corporation
Contact emails
—

Subdomains

7 observed subdomains of ys-sys.co.jp.

Subdomain
blue.ys-sys.co.jp
mobile.ys-sys.co.jp
ns.ys-sys.co.jp
orange.ys-sys.co.jp
www.ys-sys.co.jp
www2.ys-sys.co.jp
ysnotes.ys-sys.co.jp

Web-graph footprint

Distinct hostnames that link to or from ys-sys.co.jp in the public web crawl.

28 sites link to this hostname.

35 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

4 SPF mechanisms authorising senders for ys-sys.co.jp.

MechanismTarget
SPF_INCLUDEspfcm.cybermail.jp
SPF_IP153.126.180.184
SPF_IP219.94.245.197
SPF_MXys-sys.co.jp

Related pages

Pivot deeper into the graph from ys-sys.co.jp.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "ys-sys.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.