Hostname
ctk.cz
Last fetched
ctk.cz resolves to 1 IPv4 address operated by AS24971 in CZ. WHOIS lists registrar:reg-webglobe as the registrar.
Nutrition Label
Resolution chain
ctk.cz resolves to 1 distinct IPv4 address via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.
| IP | Prefix | ASN | Operator | Country |
|---|---|---|---|---|
| 80.79.27.48 | 80.79.16.0/20 | AS24971 | — | CZ |
WHOIS identity
- Registrar
- registrar:reg-webglobe
- Organization
- czech news agency
- Contact emails
Subdomains
54 observed subdomains of ctk.cz.
Showing 25 of 54. View all subdomains →
Web-graph footprint
Distinct hostnames that link to or from ctk.cz in the public web crawl.
609 sites link to this hostname.
Threat posture
History
Mail and authentication
SPF policy
9 SPF mechanisms authorising senders for ctk.cz.
| Mechanism | Target |
|---|---|
| SPF_A | support.clapix.com |
| SPF_INCLUDE | incosrv.com |
| SPF_IP | 193.86.66.220 |
| SPF_IP | 62.168.9.132 |
| SPF_IP | 62.168.9.222 |
| SPF_IP | 62.168.9.223 |
| SPF_IP | 80.79.27.48 |
| SPF_IP | 94.247.37.222 |
| SPF_MX | ctk.cz |
Related pages
Pivot deeper into the graph from ctk.cz.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "ctk.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 20Or query Whisper from your own LLM workflow via the Whisper MCP server.