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Hostname

ryubun.net

Last fetched

ryubun.net resolves to 1 IPv4 address operated by AS131965 in JP. WHOIS lists iana:48 as the registrar.

Nutrition Label

WHISPER CANON · ryubun.netRouting diversity1.5/10Peering density3.1/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency10.0/10Resolver footprint5.2/10canon.whisper.security/host/ryubun.net

Resolution chain

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

IPPrefixASNOperatorCountry
202.226.37.158202.226.36.0/22AS131965—JP

WHOIS identity

Registrar
iana:48
Organization
kazuo yagihashi
Contact emails

Subdomains

3 observed subdomains of ryubun.net.

Subdomain
_mta-sts.ryubun.net
mta-sts.ryubun.net
www.ryubun.net

Web-graph footprint

Distinct hostnames that link to or from ryubun.net in the public web crawl.

13 sites link to this hostname.

378 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

  • ryubun.net

SPF policy

4 SPF mechanisms authorising senders for ryubun.net.

MechanismTarget
SPF_Aryubun.net
SPF_Asv132.xserver.jp
SPF_INCLUDEspf.sender.xserver.jp
SPF_MXryubun.net

Related pages

Pivot deeper into the graph from ryubun.net.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "ryubun.net"})-[: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.