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Hostname

jedu.cz

Last fetched

jedu.cz resolves to 1 IPv4 address operated by AS8972 in FR. WHOIS lists iana:1746 as the registrar.

Nutrition Label

WHISPER CANON · jedu.czRouting diversity1.5/10Peering density1.2/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency6.7/10Resolver footprint4.6/10canon.whisper.security/host/jedu.cz

Resolution chain

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

IPPrefixASNOperatorCountry
83.169.19.16683.169.16.0/21AS8972—FR

WHOIS identity

Registrar
iana:1746
Organization
pavel zika
Contact emails

Subdomains

3 observed subdomains of jedu.cz.

Subdomain
is.jedu.cz
mail.jedu.cz
www.jedu.cz

Web-graph footprint

Distinct hostnames that link to or from jedu.cz in the public web crawl.

34 sites link to this hostname.

21 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

4 SPF mechanisms authorising senders for jedu.cz.

MechanismTarget
SPF_Ajedu.cz
SPF_INCLUDEsparkpostmail.com
SPF_INCLUDEspf.seznam.cz
SPF_MXjedu.cz

Related pages

Pivot deeper into the graph from jedu.cz.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "jedu.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.