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Hostname

straub.cz

Last fetched

straub.cz resolves to 1 IPv4 address operated by AS15685 in CZ. WHOIS lists registrar:reg-zoner as the registrar.

Nutrition Label

WHISPER CANON · straub.czRouting diversity1.5/10Peering density4.2/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency3.3/10Resolver footprint4.0/10canon.whisper.security/host/straub.cz

Resolution chain

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

IPPrefixASNOperatorCountry
109.123.216.85109.123.216.0/21AS15685CZ

WHOIS identity

Registrar
registrar:reg-zoner
Organization
tomáš straub s.r.o.
Contact emails

Subdomains

1 observed subdomain of straub.cz.

Subdomain
www.straub.cz

Web-graph footprint

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

17 sites link to this hostname.

25 sites linked to from this hostname.

Threat posture

History

Mail and authentication

SPF policy

3 SPF mechanisms authorising senders for straub.cz.

MechanismTarget
SPF_Astraub.cz
SPF_INCLUDEspf-zoner-zmail.zoner.com
SPF_MXstraub.cz

Related pages

Pivot deeper into the graph from straub.cz.

Cypher and MCP

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

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