Hostname
24u.cz
Last fetched
24u.cz resolves to 1 IPv4 address operated by AS25234 in CZ. WHOIS lists registrar:reg-active24 as the registrar.
Nutrition Label
Resolution chain
24u.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 |
|---|---|---|---|---|
| 81.95.96.94 | 81.95.96.0/20 | AS25234 | — | CZ |
WHOIS identity
- Registrar
- registrar:reg-active24
- Organization
- 24u s. r. o.
- Contact emails
Subdomains
191 observed subdomains of 24u.cz.
Showing 25 of 191. View all subdomains →
Web-graph footprint
Distinct hostnames that link to or from 24u.cz in the public web crawl.
22 sites link to this hostname.
29 sites linked to from this hostname.
Sample inbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
10 SPF mechanisms authorising senders for 24u.cz.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | servers.mcsv.net |
| SPF_INCLUDE | spf.active24.com |
| SPF_INCLUDE | userinclude.dme3ds1.com |
| SPF_IP | 217.16.180.245/32 |
| SPF_IP | 31.15.10.0/24 |
| SPF_IP | 64.64.0.106 |
| SPF_IP | 81.95.96.94 |
| SPF_IP | 82.208.52.112/28 |
| SPF_IP | 92.63.49.80/28 |
| SPF_IP | 92.63.50.120/29 |
Related pages
Pivot deeper into the graph from 24u.cz.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "24u.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.