Skip to content

Hostname

cdh.cz

Last fetched

cdh.cz resolves to 1 IPv4 address operated by AS197019 in CZ. WHOIS lists registrar:reg-wedos as the registrar.

Nutrition Label

WHISPER CANON · cdh.czRouting diversity1.5/10Peering density4.2/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency10.0/10Resolver footprint3.2/10canon.whisper.security/host/cdh.cz

Resolution chain

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

IPPrefixASNOperatorCountry
89.221.213.8289.221.208.0/20AS197019CZ

WHOIS identity

Registrar
registrar:reg-wedos
Organization
robert havlena
Contact emails

Subdomains

7 observed subdomains of cdh.cz.

Web-graph footprint

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

71 sites link to this hostname.

32 sites linked to from this hostname.

Threat posture

History

Mail and authentication

SPF policy

9 SPF mechanisms authorising senders for cdh.cz.

MechanismTarget
SPF_Acdh.cz
SPF_INCLUDE_spf.we.wedos.net
SPF_INCLUDEspf.seznam.cz
SPF_IP185.28.192.0/22
SPF_IP185.28.193.0/24
SPF_IP185.82.213.38
SPF_IP77.78.104.0/24
SPF_IP89.221.213.101
SPF_MXcdh.cz

Related pages

Pivot deeper into the graph from cdh.cz.

Cypher and MCP

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

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