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Hostname

mail13.brain.cz

Last fetched

mail13.brain.cz resolves to 2 IPv4 addresses operated by AS24806 in CZ.

Nutrition Label

WHISPER CANON · mail13.brain.czRouting diversity1.5/10Peering density3.1/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency0.0/10Resolver footprint4.0/10canon.whisper.security/host/mail13.brain.cz

Resolution chain

mail13.brain.cz resolves to 2 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
185.129.138.203185.129.136.0/22AS24806—CZ
185.129.138.40185.129.136.0/22AS24806—CZ

WHOIS identity

No WHOIS records are currently associated with mail13.brain.cz in WhisperGraph.

Threat posture

History

Mail and authentication

MX records

SPF policy

5 SPF mechanisms authorising senders for mail13.brain.cz.

MechanismTarget
SPF_Amail13.brain.cz
SPF_INCLUDE_spf.forpsi.com
SPF_INCLUDEatcomp.cz
SPF_INCLUDEspf.protection.outlook.com
SPF_MXmail13.brain.cz

Related pages

Pivot deeper into the graph from mail13.brain.cz.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "mail13.brain.cz"})-[: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.