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Hostname

jsn.cz

Last fetched

jsn.cz resolves to 1 IPv4 address operated by AS15685 in CZ.

Nutrition Label

WHISPER CANON · jsn.czRouting diversity1.5/10Peering density4.6/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency0.0/10Resolver footprint8.0/10canon.whisper.security/host/jsn.cz

Resolution chain

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

IPPrefixASNOperatorCountry
77.78.107.21177.78.96.0/20AS15685—CZ

WHOIS identity

No WHOIS records are currently associated with jsn.cz in WhisperGraph.

Subdomains

1 observed subdomain of jsn.cz.

Subdomain
www.jsn.cz

Threat posture

History

Mail and authentication

MX records

SPF policy

9 SPF mechanisms authorising senders for jsn.cz.

MechanismTarget
SPF_Ajsn.cz
SPF_IP77.78.107.133
SPF_IP77.78.110.100
SPF_IP77.78.110.95
SPF_IP77.78.110.96
SPF_IP88.208.103.38
SPF_IP88.208.103.39
SPF_IP93.90.167.180
SPF_MXjsn.cz

Related pages

Pivot deeper into the graph from jsn.cz.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "jsn.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

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