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Hostname

thumbnail.cortexsystem.app

Last fetched

thumbnail.cortexsystem.app resolves to 1 IPv4 address operated by DUOCAST-AS in NL.

Nutrition Label

WHISPER CANON · thumbnail.cortexsystem.appRouting diversity—Peering density—MOAS conflict—Threat-feed listings—WHOIS transparency—Resolver footprint—canon.whisper.security/host/thumbnail.cortexsystem.app

Resolution chain

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

IPPrefixASNOperatorCountry
83.137.145.18083.137.144.0/21AS31477DUOCAST-ASNL

WHOIS identity

No WHOIS records are currently associated with thumbnail.cortexsystem.app in WhisperGraph.

Web-graph footprint

Distinct hostnames that link to or from thumbnail.cortexsystem.app in the public web crawl.

Sample inbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

4 SPF mechanisms authorising senders for thumbnail.cortexsystem.app.

MechanismTarget
SPF_Athumbnail.cortexsystem.app
SPF_INCLUDE_spf.exsilia.net
SPF_INCLUDEspf.protection.outlook.com
SPF_MXthumbnail.cortexsystem.app

Related pages

Pivot deeper into the graph from thumbnail.cortexsystem.app.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "thumbnail.cortexsystem.app"})-[: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.