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Hostname

kotsubu.net

Last fetched

kotsubu.net resolves to 1 IPv4 address operated by AS55392 in JP. WHOIS lists iana:49 as the registrar.

Nutrition Label

WHISPER CANON · kotsubu.netRouting diversity1.5/10Peering density2.8/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency10.0/10Resolver footprint4.0/10canon.whisper.security/host/kotsubu.net

Resolution chain

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

IPPrefixASNOperatorCountry
217.178.112.177217.178.64.0/18AS55392—JP

WHOIS identity

Registrar
iana:49
Organization
junichi doi
Contact emails

Subdomains

6 observed subdomains of kotsubu.net.

Subdomain
dns.kotsubu.net
dns2.kotsubu.net
mta-sts.kotsubu.net
ns1.kotsubu.net
ns2.kotsubu.net
www.kotsubu.net

Web-graph footprint

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

7 sites link to this hostname.

59 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

  • kotsubu.net

SPF policy

2 SPF mechanisms authorising senders for kotsubu.net.

MechanismTarget
SPF_IP124.41.74.80
SPF_IP217.178.112.177

Related pages

Pivot deeper into the graph from kotsubu.net.

Cypher and MCP

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

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