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Hostname

8441.jp

Last fetched

8441.jp is a registered hostname under the .jp top-level domain. Live infrastructure data is temporarily unavailable; refresh in a moment.

Nutrition Label

WHISPER CANON · 8441.jpRouting diversity—Peering density—MOAS conflict—Threat-feed listings—WHOIS transparency—Resolver footprint—canon.whisper.security/host/8441.jp

Resolution chain

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WHOIS identity

Registrar
—
Organization
tsubame-kougyou_co_ltd
Contact emails

Subdomains

2 observed subdomains of 8441.jp.

Subdomain
mail.8441.jp
www.8441.jp

Web-graph footprint

Distinct hostnames that link to or from 8441.jp in the public web crawl.

143 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

  • 8441.jp

SPF policy

2 SPF mechanisms authorising senders for 8441.jp.

MechanismTarget
SPF_Awww441b.sakura.ne.jp
SPF_MX8441.jp

Related pages

Pivot deeper into the graph from 8441.jp.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "8441.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.