Hostname

1001.jp

Last fetched Sun, 21 Jun 2026 15:03:03 GMT

1001.jp is a registered hostname under the .jp top-level domain. Live infrastructure data is temporarily unavailable; refresh in a moment.

Nutrition Label

Resolution chain

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WHOIS identity

Registrar

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Organization

mitsunobu yamamoto

Contact emails

Subdomains

3 observed subdomains of 1001.jp.

Subdomain
ftp.1001.jp
mail.1001.jp
www.1001.jp

Web-graph footprint

Distinct hostnames that link to or from 1001.jp in the public web crawl.

12 sites link to this hostname.

38 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

mail.1001.jp

SPF policy

2 SPF mechanisms authorising senders for 1001.jp.

Mechanism	Target
SPF_A	1001.jp
SPF_MX	1001.jp

Pivot deeper into the graph from 1001.jp.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "1001.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.