Hostname
hdk.cz
Last fetched
hdk.cz resolves to 3 IPv4 addresses operated by AS43541 in CZ. WHOIS lists registrar:reg-wedos as the registrar.
Nutrition Label
Resolution chain
hdk.cz resolves to 3 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.
| IP | Prefix | ASN | Operator | Country |
|---|---|---|---|---|
| 217.16.188.53 | 217.16.176.0/20 | AS43541 | — | CZ |
| 217.16.188.56 | 217.16.176.0/20 | AS43541 | — | CZ |
| 37.9.175.212 | 37.9.175.0/24 | AS51013 | — | SK |
WHOIS identity
- Registrar
- registrar:reg-wedos
- Organization
- comnet, s.r.o.
- Contact emails
Subdomains
17 observed subdomains of hdk.cz.
Web-graph footprint
Distinct hostnames that link to or from hdk.cz in the public web crawl.
206 sites link to this hostname.
49 sites linked to from this hostname.
Sample inbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
7 SPF mechanisms authorising senders for hdk.cz.
| Mechanism | Target |
|---|---|
| SPF_A | mail1.colosseum.eu |
| SPF_INCLUDE | spf.protection.outlook.com |
| SPF_INCLUDE | spf.smartemailing.cz |
| SPF_IP | 195.250.133.106 |
| SPF_IP | 195.250.133.107 |
| SPF_IP | 95.168.216.154 |
| SPF_MX | hdk.cz |
Related pages
Pivot deeper into the graph from hdk.cz.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "hdk.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.