Hostname
ducr.cz
Last fetched
ducr.cz resolves to 1 IPv4 address operated by AS16019 in CZ. WHOIS lists registrar:reg-webglobe as the registrar.
Nutrition Label
Resolution chain
ducr.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 |
|---|---|---|---|---|
| 82.142.64.178 | 82.142.64.0/18 | AS16019 | — | CZ |
WHOIS identity
- Registrar
- registrar:reg-webglobe
- Organization
- drážní úřad
- Contact emails
- —
Subdomains
46 observed subdomains of ducr.cz.
Showing 23 of 46. View all subdomains →
Web-graph footprint
Distinct hostnames that link to or from ducr.cz in the public web crawl.
75 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
2 SPF mechanisms authorising senders for ducr.cz.
| Mechanism | Target |
|---|---|
| SPF_IP | 82.142.120.41/32 |
| SPF_MX | ducr.cz |
Related pages
Pivot deeper into the graph from ducr.cz.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "ducr.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.