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Hostname

cht.cz

Last fetched

cht.cz resolves to 1 IPv4 address operated by AS25234 in CZ. WHOIS lists iana:1746 as the registrar.

Nutrition Label

WHISPER CANON · cht.czRouting diversity1.5/10Peering density3.4/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency3.3/10Resolver footprint8.0/10canon.whisper.security/host/cht.cz

Resolution chain

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

IPPrefixASNOperatorCountry
31.15.12.19331.15.8.0/21AS25234—CZ

WHOIS identity

Registrar
iana:1746
Organization
chladek & tintera, a.s.
Contact emails
—

Subdomains

8 observed subdomains of cht.cz.

Subdomain
hrochonet.cht.cz
invalid.cht.cz
mail.cht.cz
okdox.cht.cz
oktest.cht.cz
www.cht.cz

Showing 6 of 8. View all subdomains →

Web-graph footprint

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

30 sites link to this hostname.

28 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

2 SPF mechanisms authorising senders for cht.cz.

MechanismTarget
SPF_IP194.228.39.96
SPF_MXcht.cz

Related pages

Pivot deeper into the graph from cht.cz.

Cypher and MCP

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

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