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Hostname

reactor.jp

Last fetched

reactor.jp resolves to 1 IPv4 address operated by AS7506 in JP.

Nutrition Label

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

Resolution chain

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

IPPrefixASNOperatorCountry
157.7.44.242157.7.40.0/21AS7506—JP

WHOIS identity

Registrar
—
Organization
nobuhiko fujimori
Contact emails

Subdomains

2 observed subdomains of reactor.jp.

Subdomain
hostmaster.reactor.jp
www.reactor.jp

Web-graph footprint

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

25 sites link to this hostname.

109 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

1 SPF mechanism authorising senders for reactor.jp.

MechanismTarget
SPF_INCLUDE_spf.heteml.jp

Related pages

Pivot deeper into the graph from reactor.jp.

Cypher and MCP

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

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