Hostname
valka.cz
Last fetched
valka.cz resolves to 1 IPv4 address operated by AS24971 in CZ. WHOIS lists registrar:reg-webglobe as the registrar.
Nutrition Label
Resolution chain
valka.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 |
|---|---|---|---|---|
| 89.185.242.19 | 89.185.224.0/19 | AS24971 | — | CZ |
WHOIS identity
- Registrar
- registrar:reg-webglobe
- Organization
- radek havelka
- Contact emails
Subdomains
133 observed subdomains of valka.cz.
Showing 25 of 133. View all subdomains →
Web-graph footprint
Distinct hostnames that link to or from valka.cz in the public web crawl.
513 sites link to this hostname.
Threat posture
History
Mail and authentication
MX records
SPF policy
3 SPF mechanisms authorising senders for valka.cz.
| Mechanism | Target |
|---|---|
| SPF_A | valka.cz |
| SPF_INCLUDE | u1856748.wl.sendgrid.net |
| SPF_MX | valka.cz |
Related pages
Pivot deeper into the graph from valka.cz.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "valka.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.