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Hostname

tvd.cz

Last fetched

tvd.cz resolves to 1 IPv4 address operated by ACTIVE24-AS - ACTIVE 24, s.r.o. in CZ. WHOIS lists registrar:reg-zoner as the registrar.

Nutrition Label

WHISPER CANON · tvd.czRouting diversity1.5/10Peering density3.4/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency3.3/10Resolver footprint8.2/10canon.whisper.security/host/tvd.cz

Resolution chain

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

IPPrefixASNOperatorCountry
31.15.13.5831.15.8.0/21AS25234ACTIVE24-AS - ACTIVE 24, s.r.o.CZ

WHOIS identity

Registrar
registrar:reg-zoner
Organization
tvd - technicka vyroba, a.s.
Contact emails

Subdomains

8 observed subdomains of tvd.cz.

Web-graph footprint

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

30 sites link to this hostname.

17 sites linked to from this hostname.

Threat posture

History

Mail and authentication

SPF policy

2 SPF mechanisms authorising senders for tvd.cz.

MechanismTarget
SPF_INCLUDEspf.protection.outlook.com
SPF_MXtvd.cz

Related pages

Pivot deeper into the graph from tvd.cz.

Cypher and MCP

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

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