Skip to content

Hostname

upfront.cz

Last fetched

upfront.cz resolves to 1 IPv4 address operated by AS24806 in CZ. WHOIS lists registrar:reg-internet-cz as the registrar.

Nutrition Label

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

Resolution chain

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

IPPrefixASNOperatorCountry
81.2.194.24481.2.192.0/18AS24806—CZ

WHOIS identity

Registrar
registrar:reg-internet-cz
Organization
ing. petr bludovsky
Contact emails
—

Subdomains

3 observed subdomains of upfront.cz.

Subdomain
noproxy_6810ddfd81450.upfront.cz
www.upfront.cz
wwww.upfront.cz

Web-graph footprint

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

32 sites link to this hostname.

5 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

Related pages

Pivot deeper into the graph from upfront.cz.

Cypher and MCP

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

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