Hostname
ctu.cz
Last fetched
ctu.cz resolves to 1 IPv4 address operated by AS206548 in CZ. WHOIS lists registrar:reg-active24 as the registrar.
Nutrition Label
Resolution chain
ctu.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 |
|---|---|---|---|---|
| 185.178.175.96 | 185.178.172.0/22 | AS206548 | — | CZ |
WHOIS identity
- Registrar
- registrar:reg-active24
- Organization
- gts novera a.s.
- Contact emails
Subdomains
45 observed subdomains of ctu.cz.
Showing 25 of 45. View all subdomains →
Web-graph footprint
Distinct hostnames that link to or from ctu.cz in the public web crawl.
1,015 sites link to this hostname.
1 site linked to from this hostname.
Sample inbound links
Sample outbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
11 SPF mechanisms authorising senders for ctu.cz.
| Mechanism | Target |
|---|---|
| SPF_A | mail.ctu.cz |
| SPF_INCLUDE | spf.protection.outlook.com |
| SPF_IP | 185.178.175.96 |
| SPF_IP | 185.68.212.150 |
| SPF_IP | 185.68.212.2 |
| SPF_IP | 185.68.212.36 |
| SPF_IP | 185.68.212.37 |
| SPF_IP | 2a05:1c40:0:1:b9:44:d4:24 |
| SPF_IP | 2a05:1c40:0:1:b9:44:d4:25 |
| SPF_IP | 2a05:1c41:0:0:b9:44:d4:96 |
| SPF_IP | 2a0a:6580:11:0:0:0:b9b2:af60 |
Related pages
Pivot deeper into the graph from ctu.cz.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "ctu.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.