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Hostname

extec.cz

Last fetched

extec.cz has no current public IPv4 resolution in WhisperGraph; WHOIS lists registrar:reg-web4u as the registrar.

Nutrition Label

WHISPER CANON · extec.czRouting diversity—Peering density—MOAS conflict—Threat-feed listings—WHOIS transparency—Resolver footprint—canon.whisper.security/host/extec.cz

Resolution chain

extec.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

Registrar
registrar:reg-web4u
Organization
pavel vavricka
Contact emails
—

Subdomains

3 observed subdomains of extec.cz.

Subdomain
vpn.extec.cz
www.extec.cz
wildcard.extec.cz

Web-graph footprint

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

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

2 SPF mechanisms authorising senders for extec.cz.

MechanismTarget
SPF_INCLUDEspf.mandrillapp.com
SPF_INCLUDEspf.protection.outlook.com

Related pages

Pivot deeper into the graph from extec.cz.

Cypher and MCP

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

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