Skip to content

Hostname

cal.afs.schulserver.de

Last fetched

cal.afs.schulserver.de resolves to 3 IPv4 addresses operated by AS3320 in DE.

Nutrition Label

WHISPER CANON · cal.afs.schulserver.deRouting diversity3.0/10Peering density10.0/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency0.0/10Resolver footprint4.6/10canon.whisper.security/host/cal.afs.schulserver.de

Resolution chain

cal.afs.schulserver.de resolves to 3 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
217.252.203.120217.224.0.0/11AS3320—DE
87.149.93.2787.128.0.0/10AS3320—DE
93.232.175.25493.192.0.0/10AS3320—DE

WHOIS identity

No WHOIS records are currently associated with cal.afs.schulserver.de in WhisperGraph.

Threat posture

History

Mail and authentication

MX records

SPF policy

6 SPF mechanisms authorising senders for cal.afs.schulserver.de.

MechanismTarget
SPF_Acal.afs.schulserver.de
SPF_Arelay1.iserv.eu
SPF_Arelay2.iserv.eu
SPF_Arelay3.iserv.eu
SPF_Arelaybs.iserv.eu
SPF_MXcal.afs.schulserver.de

Related pages

Pivot deeper into the graph from cal.afs.schulserver.de.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "cal.afs.schulserver.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.