Hostname
holab.cz
Last fetched
holab.cz resolves to 1 IPv4 address operated by AS43541 in CZ. WHOIS lists registrar:reg-wedos as the registrar.
Nutrition Label
Resolution chain
holab.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 |
|---|---|---|---|---|
| 217.16.184.42 | 217.16.176.0/20 | AS43541 | — | CZ |
WHOIS identity
- Registrar
- registrar:reg-wedos
- Organization
- jaroslav hlaváček
- Contact emails
- —
Subdomains
10 observed subdomains of holab.cz.
Web-graph footprint
Distinct hostnames that link to or from holab.cz in the public web crawl.
12 sites link to this hostname.
13 sites linked to from this hostname.
Sample inbound links
Threat posture
History
Mail and authentication
SPF policy
5 SPF mechanisms authorising senders for holab.cz.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | spf.protection.outlook.com |
| SPF_IP | 193.86.182.62 |
| SPF_IP | 81.19.15.0/24 |
| SPF_IP | 85.135.84.210 |
| SPF_MX | holab.cz |
Related pages
Pivot deeper into the graph from holab.cz.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "holab.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.