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Hostname

cernovsky.cz

Last fetched

cernovsky.cz resolves to 1 IPv4 address operated by AS39392 in CZ. WHOIS lists registrar:reg-internet-cz as the registrar.

Nutrition Label

WHISPER CANON · cernovsky.czRouting diversity1.5/10Peering density8.4/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency3.3/10Resolver footprint4.0/10canon.whisper.security/host/cernovsky.cz

Resolution chain

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

IPPrefixASNOperatorCountry
185.247.28.211185.247.28.0/22AS39392—CZ

WHOIS identity

Registrar
registrar:reg-internet-cz
Organization
tomáš černovský
Contact emails
—

Subdomains

1 observed subdomain of cernovsky.cz.

Subdomain
www.cernovsky.cz

Web-graph footprint

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

93 sites link to this hostname.

387 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 cernovsky.cz.

MechanismTarget
SPF_INCLUDE_spf.google.com

Related pages

Pivot deeper into the graph from cernovsky.cz.

Cypher and MCP

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

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