Skip to content

Hostname

duke.cz

Last fetched

duke.cz resolves to 1 IPv4 address operated by AS24971 in CZ. WHOIS lists registrar:reg-wedos as the registrar.

Nutrition Label

WHISPER CANON · duke.czRouting diversity1.5/10Peering density4.9/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency3.3/10Resolver footprint8.2/10canon.whisper.security/host/duke.cz

Resolution chain

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

IPPrefixASNOperatorCountry
81.31.37.2281.31.32.0/20AS24971CZ

WHOIS identity

Registrar
registrar:reg-wedos
Organization
duke jablonec s.r.o.
Contact emails

Subdomains

1 observed subdomain of duke.cz.

Subdomain
www.duke.cz

Web-graph footprint

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

11 sites link to this hostname.

Threat posture

History

Mail and authentication

SPF policy

4 SPF mechanisms authorising senders for duke.cz.

MechanismTarget
SPF_Aduke.cz
SPF_INCLUDE_spf.eshop-rychle.cz
SPF_INCLUDE_spf.we.wedos.net
SPF_MXduke.cz

Related pages

Pivot deeper into the graph from duke.cz.

Cypher and MCP

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

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