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Hostname

fkastner.de

Last fetched

fkastner.de resolves to 1 IPv4 address operated by AS215341 in DE.

Nutrition Label

WHISPER CANON · fkastner.deRouting diversity1.5/10Peering density1.2/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency0.0/10Resolver footprint3.2/10canon.whisper.security/host/fkastner.de

Resolution chain

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

IPPrefixASNOperatorCountry
2.58.54.382.58.54.0/24AS215341—DE

WHOIS identity

No WHOIS records are currently associated with fkastner.de in WhisperGraph.

Subdomains

5 observed subdomains of fkastner.de.

Subdomain
fk2.fkastner.de
mail4.fkastner.de
mail6.fkastner.de
status.fkastner.de
www.fkastner.de

Threat posture

History

Mail and authentication

MX records

SPF policy

6 SPF mechanisms authorising senders for fkastner.de.

MechanismTarget
SPF_Afkastner.de
SPF_Amail4.fkastner.de
SPF_Amail6.fkastner.de
SPF_Avps664.hostonserver.de
SPF_IP2.58.54.38
SPF_MXfkastner.de

Related pages

Pivot deeper into the graph from fkastner.de.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "fkastner.de"})-[: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.