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Hostname

castas.jp

Last fetched

castas.jp resolves to 6 IPv4 addresses operated by AS209242 in US.

Nutrition Label

WHISPER CANON · castas.jpRouting diversity2.4/10Peering density9.5/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency10.0/10Resolver footprint8.3/10canon.whisper.security/host/castas.jp

Resolution chain

castas.jp resolves to 6 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
199.60.103.178199.60.103.0/24AS209242—US
199.60.103.78199.60.103.0/24AS209242—US
3.169.36.253.128.0.0/10AS16509AMAZON-02 - Amazon.com, Inc.TW
3.169.36.463.128.0.0/10AS16509AMAZON-02 - Amazon.com, Inc.TW
3.169.36.53.128.0.0/10AS16509AMAZON-02 - Amazon.com, Inc.TW
3.169.36.523.128.0.0/10AS16509AMAZON-02 - Amazon.com, Inc.TW

WHOIS identity

Registrar
—
Organization
(not displayed by registrant's request)
Contact emails

Subdomains

7 observed subdomains of castas.jp.

Subdomain
admin.castas.jp
agency.castas.jp
api.castas.jp
cast.castas.jp
production.castas.jp
verify.castas.jp
www.castas.jp

Web-graph footprint

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

3 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

3 SPF mechanisms authorising senders for castas.jp.

MechanismTarget
SPF_INCLUDE48111177.spf08.hubspotemail.net
SPF_INCLUDE_spf.google.com
SPF_INCLUDEamazonses.com

Related pages

Pivot deeper into the graph from castas.jp.

Cypher and MCP

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

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