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Hostname

vstab.cz

Last fetched

vstab.cz resolves to 1 IPv4 address operated by MASTER-AS - MasterDC s.r.o. in CZ. WHOIS lists registrar:reg-web4u as the registrar.

Nutrition Label

WHISPER CANON · vstab.czRouting diversity1.5/10Peering density5.2/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency3.3/10Resolver footprint3.2/10canon.whisper.security/host/vstab.cz

Resolution chain

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

IPPrefixASNOperatorCountry
83.167.224.8683.167.224.0/19AS24971MASTER-AS - MasterDC s.r.o.CZ

WHOIS identity

Registrar
registrar:reg-web4u
Organization
lubomir petrik
Contact emails
—

Subdomains

5 observed subdomains of vstab.cz.

Subdomain
dataroom.vstab.cz
mail.vstab.cz
www.vstab.cz
zakazky.vstab.cz

Showing 4 of 5. View all subdomains →

Web-graph footprint

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

13 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

1 SPF mechanism authorising senders for vstab.cz.

MechanismTarget
SPF_INCLUDEspf.protection.outlook.com

Related pages

Pivot deeper into the graph from vstab.cz.

Cypher and MCP

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

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