Hostname
acfk.cz
Last fetched
acfk.cz resolves to 1 IPv4 address operated by AS25234 in CZ. WHOIS lists registrar:reg-active24 as the registrar.
Nutrition Label
Resolution chain
acfk.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 |
|---|---|---|---|---|
| 81.95.99.55 | 81.95.96.0/20 | AS25234 | — | CZ |
WHOIS identity
- Registrar
- registrar:reg-active24
- Organization
- asociace českých filmových klubů
- Contact emails
- —
Subdomains
12 observed subdomains of acfk.cz.
Web-graph footprint
Distinct hostnames that link to or from acfk.cz in the public web crawl.
132 sites link to this hostname.
193 sites linked to from this hostname.
Sample inbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
6 SPF mechanisms authorising senders for acfk.cz.
| Mechanism | Target |
|---|---|
| SPF_A | acfk.cz |
| SPF_A | mailing.lfs.cz |
| SPF_A | smtp.gmail.com |
| SPF_INCLUDE | spf.active24.com |
| SPF_INCLUDE | spf.smartemailing.cz |
| SPF_IP | 81.95.99.55 |
Related pages
Pivot deeper into the graph from acfk.cz.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "acfk.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.