Hostname
stc.cz
Last fetched
stc.cz resolves to 1 IPv4 address operated by AS15685 in CZ. WHOIS lists registrar:reg-internet-cz as the registrar.
Nutrition Label
Resolution chain
stc.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 |
|---|---|---|---|---|
| 77.78.106.36 | 77.78.96.0/20 | AS15685 | — | CZ |
WHOIS identity
- Registrar
- registrar:reg-internet-cz
- Organization
- jan volek
- Contact emails
- —
Subdomains
18 observed subdomains of stc.cz.
Web-graph footprint
Distinct hostnames that link to or from stc.cz in the public web crawl.
61 sites link to this hostname.
39 sites linked to from this hostname.
Sample inbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
8 SPF mechanisms authorising senders for stc.cz.
| Mechanism | Target |
|---|---|
| SPF_A | email.stc.cz |
| SPF_A | mailgw.stc.cz |
| SPF_A | stc.cz |
| SPF_INCLUDE | _spf.4ws.cz |
| SPF_INCLUDE | _spf.fortion.net |
| SPF_INCLUDE | _spf.sparkpostmail.com |
| SPF_INCLUDE | spf.protection.outlook.com |
| SPF_MX | stc.cz |
Related pages
Pivot deeper into the graph from stc.cz.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "stc.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.