Hostname
chf.cz
Last fetched
chf.cz resolves to 1 IPv4 address operated by AS48926 in CZ. WHOIS lists registrar:reg-active24 as the registrar.
Nutrition Label
Resolution chain
chf.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 |
|---|---|---|---|---|
| 37.44.16.227 | 37.44.16.0/20 | AS48926 | — | CZ |
WHOIS identity
- Registrar
- registrar:reg-active24
- Organization
- cesky svaz hazene
- Contact emails
Subdomains
187 observed subdomains of chf.cz.
Showing 25 of 187. View all subdomains →
Web-graph footprint
Distinct hostnames that link to or from chf.cz in the public web crawl.
99 sites link to this hostname.
15 sites linked to from this hostname.
Sample inbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
7 SPF mechanisms authorising senders for chf.cz.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | spf.protection.outlook.com |
| SPF_IP | 37.44.16.226 |
| SPF_IP | 37.44.16.227 |
| SPF_IP | 37.44.16.228 |
| SPF_IP | 37.44.16.229 |
| SPF_IP | 37.44.16.230 |
| SPF_IP | 37.44.16.231 |
Related pages
Pivot deeper into the graph from chf.cz.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "chf.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.