Hostname
hw.cz
Last fetched
hw.cz resolves to 1 IPv4 address operated by AS21430 in CZ. WHOIS lists registrar:reg-active24 as the registrar.
Nutrition Label
Resolution chain
hw.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 |
|---|---|---|---|---|
| 80.250.3.99 | 80.250.0.0/19 | AS21430 | — | CZ |
WHOIS identity
- Registrar
- registrar:reg-active24
- Organization
- wia spol. s r.o.
- Contact emails
Subdomains
31 observed subdomains of hw.cz.
Showing 25 of 31. View all subdomains →
Web-graph footprint
Distinct hostnames that link to or from hw.cz in the public web crawl.
144 sites link to this hostname.
Threat posture
History
Mail and authentication
MX records
SPF policy
15 SPF mechanisms authorising senders for hw.cz.
| Mechanism | Target |
|---|---|
| SPF_A | hw.cz |
| SPF_INCLUDE | servers.mcsv.net |
| SPF_INCLUDE | sparkpostmail.com |
| SPF_INCLUDE | spf.protection.outlook.com |
| SPF_IP | 185.186.250.50 |
| SPF_IP | 185.186.250.51 |
| SPF_IP | 185.239.216.0/24 |
| SPF_IP | 185.47.222.148 |
| SPF_IP | 185.47.223.64 |
| SPF_IP | 2a01:430:10::/64 |
| SPF_IP | 2a01:6400:90:2::/64 |
| SPF_IP | 77.93.206.0/24 |
| SPF_IP | 80.250.3.0/24 |
| SPF_IP | 80.250.3.99 |
| SPF_MX | hw.cz |
Related pages
Pivot deeper into the graph from hw.cz.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "hw.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.