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Hostname

mark3.co.jp

Last fetched

mark3.co.jp resolves to 1 IPv4 address operated by VCIU-NET-AS Value Core Inc. in JP.

Nutrition Label

WHISPER CANON · mark3.co.jpRouting diversity—Peering density—MOAS conflict—Threat-feed listings—WHOIS transparency—Resolver footprint—canon.whisper.security/host/mark3.co.jp

Resolution chain

mark3.co.jp resolves to 1 distinct IPv4 address via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
103.120.185.70103.120.184.0/22AS38633VCIU-NET-AS Value Core Inc.JP

WHOIS identity

Registrar
—
Organization
matsumoto machine sales co.,ltd.
Contact emails
—

Subdomains

13 observed subdomains of mark3.co.jp.

Subdomain
mail.mark3.co.jp
www.mark3.co.jp
test.mark3.co.jp
relay.mark3.co.jp
mx.mark3.co.jp

Showing 5 of 13. View all subdomains →

Web-graph footprint

Distinct hostnames that link to or from mark3.co.jp in the public web crawl.

78 sites link to this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

2 SPF mechanisms authorising senders for mark3.co.jp.

MechanismTarget
SPF_IP103.120.185.0/24
SPF_IP103.3.188.43

Related pages

Pivot deeper into the graph from mark3.co.jp.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "mark3.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.