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Hostname

olva.blue

Last fetched

olva.blue resolves to 1 IPv4 address operated by AS7506 in JP. WHOIS lists iana:49 as the registrar.

Nutrition Label

WHISPER CANON · olva.blueRouting diversity1.5/10Peering density4.0/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency10.0/10Resolver footprint4.0/10canon.whisper.security/host/olva.blue

Resolution chain

olva.blue 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
iana:49
Organization
akira kuwahara
Contact emails

Web-graph footprint

Distinct hostnames that link to or from olva.blue in the public web crawl.

11 sites link to this hostname.

19 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

SPF policy

1 SPF mechanism authorising senders for olva.blue.

MechanismTarget
SPF_INCLUDE_spf.heteml.jp

Related pages

Pivot deeper into the graph from olva.blue.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "olva.blue"})-[: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.