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Hostname

jcas.jp

Last fetched

jcas.jp resolves to 1 IPv4 address operated by AS9371 in JP.

Nutrition Label

WHISPER CANON · jcas.jpRouting diversity1.5/10Peering density3.8/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency6.7/10Resolver footprint8.3/10canon.whisper.security/host/jcas.jp

Resolution chain

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

IPPrefixASNOperatorCountry
133.167.8.17133.167.0.0/16AS9371—JP

WHOIS identity

Registrar
—
Organization
japan consortium for area studies
Contact emails

Subdomains

3 observed subdomains of jcas.jp.

Subdomain
demo.jcas.jp
mail.jcas.jp
www.jcas.jp

Web-graph footprint

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

75 sites link to this hostname.

105 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

2 SPF mechanisms authorising senders for jcas.jp.

MechanismTarget
SPF_Awww5107.sakura.ne.jp
SPF_MXjcas.jp

Related pages

Pivot deeper into the graph from jcas.jp.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "jcas.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.