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Hostname

server4.crsinternet.nl

Last fetched

server4.crsinternet.nl resolves to 1 IPv4 address operated by AS201401 in NL.

Nutrition Label

WHISPER CANON · server4.crsinternet.nlRouting diversity1.5/10Peering density3.8/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency0.0/10Resolver footprint4.0/10canon.whisper.security/host/server4.crsinternet.nl

Resolution chain

server4.crsinternet.nl resolves to 1 distinct IPv4 address via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
89.31.58.3589.31.56.0/21AS201401—NL

WHOIS identity

No WHOIS records are currently associated with server4.crsinternet.nl in WhisperGraph.

Threat posture

History

Mail and authentication

MX records

SPF policy

12 SPF mechanisms authorising senders for server4.crsinternet.nl.

MechanismTarget
SPF_IP109.236.87.120
SPF_IP109.236.87.148
SPF_IP109.236.87.149
SPF_IP136.144.219.104
SPF_IP141.138.194.29
SPF_IP141.138.202.29
SPF_IP178.18.81.24
SPF_IP178.18.86.12
SPF_IP2a02:348:88:32db:0:0:0:1
SPF_IP31.3.97.44
SPF_IP31.3.98.143
SPF_IP37.34.55.145

Related pages

Pivot deeper into the graph from server4.crsinternet.nl.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "server4.crsinternet.nl"})-[: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.