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Hostname

simonjun.cz

Last fetched

simonjun.cz appears in WhisperGraph with partial WHOIS records but no current public IPv4 resolution.

Nutrition Label

WHISPER CANON · simonjun.czRouting diversity0.0/10Peering density0.0/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency0.0/10Resolver footprint8.3/10canon.whisper.security/host/simonjun.cz

Resolution chain

simonjun.cz has no current public IPv4 resolution in WhisperGraph. The WHOIS record below is the only graph data we have on this hostname.

WHOIS identity

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

Subdomains

3 observed subdomains of simonjun.cz.

Subdomain
kurzy.simonjun.cz
mail.simonjun.cz
www.simonjun.cz

Web-graph footprint

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

16 sites link to this hostname.

132 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

5 SPF mechanisms authorising senders for simonjun.cz.

MechanismTarget
SPF_Asimonjun.cz
SPF_INCLUDE_spf.google.com
SPF_INCLUDE_spf.mailersend.net
SPF_INCLUDE_spf.mlsend.com
SPF_MXsimonjun.cz

Related pages

Pivot deeper into the graph from simonjun.cz.

Cypher and MCP

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

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