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Hostname

jrunyu.co.jp

Last fetched

jrunyu.co.jp resolves to 1 IPv4 address operated by IIJ - Internet Initiative Japan Inc. in JP.

Nutrition Label

WHISPER CANON · jrunyu.co.jpRouting diversity1.5/10Peering density9.4/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency3.3/10Resolver footprint3.2/10canon.whisper.security/host/jrunyu.co.jp

Resolution chain

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

IPPrefixASNOperatorCountry
210.149.151.105210.149.0.0/16AS2497IIJ - Internet Initiative Japan Inc.JP

WHOIS identity

Registrar
—
Organization
hokkaido jr transport support incorporated
Contact emails
—

Subdomains

1 observed subdomain of jrunyu.co.jp.

Subdomain
www.jrunyu.co.jp

Web-graph footprint

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

22 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

4 SPF mechanisms authorising senders for jrunyu.co.jp.

MechanismTarget
SPF_INCLUDEspf.messagelabs.com
SPF_INCLUDEspf.securemx.jp
SPF_IP202.122.139.240/28
SPF_IP202.122.140.82/32

Related pages

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

Cypher and MCP

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

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