Hostname
kcfno.cz
Last fetched
kcfno.cz resolves to 1 IPv4 address operated by OptoNet-AS - OptoNet Communication, spol. s.r.o. in CZ.
Nutrition Label
Resolution chain
kcfno.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 |
|---|---|---|---|---|
| 78.156.158.74 | 78.156.128.0/19 | AS43542 | OptoNet-AS - OptoNet Communication, spol. s.r.o. | CZ |
WHOIS identity
No WHOIS records are currently associated with kcfno.cz in WhisperGraph.
Subdomains
3 observed subdomains of kcfno.cz.
Web-graph footprint
Distinct hostnames that link to or from kcfno.cz in the public web crawl.
22 sites link to this hostname.
Threat posture
History
Mail and authentication
MX records
SPF policy
2 SPF mechanisms authorising senders for kcfno.cz.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | _spf.m1.websupport.sk |
| SPF_INCLUDE | spf.active24.com |
Related pages
Pivot deeper into the graph from kcfno.cz.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "kcfno.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.