Hostname
ovanet.cz
Last fetched
ovanet.cz resolves to 1 IPv4 address operated by AS39817 in CZ. WHOIS lists registrar:reg-internet-cz as the registrar.
Nutrition Label
Resolution chain
ovanet.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 |
|---|---|---|---|---|
| 81.91.209.4 | 81.91.208.0/20 | AS39817 | — | CZ |
WHOIS identity
- Registrar
- registrar:reg-internet-cz
- Organization
- ovanet a.s.
- Contact emails
Subdomains
187 observed subdomains of ovanet.cz.
Showing 25 of 187. View all subdomains →
Web-graph footprint
Distinct hostnames that link to or from ovanet.cz in the public web crawl.
69 sites link to this hostname.
79 sites linked to from this hostname.
Sample inbound links
Threat posture
History
Mail and authentication
SPF policy
4 SPF mechanisms authorising senders for ovanet.cz.
| Mechanism | Target |
|---|---|
| SPF_A | blanka.ovanet.cz |
| SPF_A | smtp.ovanet.cz |
| SPF_A | smtpb.ovanet.cz |
| SPF_INCLUDE | spf.protection.outlook.com |
Related pages
Pivot deeper into the graph from ovanet.cz.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "ovanet.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.