Hostname
osek.cz
Last fetched
osek.cz resolves to 1 IPv4 address operated by SuperNetwork - SuperNetwork in CZ. WHOIS lists registrar:reg-internet-cz as the registrar.
Nutrition Label
Resolution chain
osek.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 |
|---|---|---|---|---|
| 88.86.103.135 | 88.86.96.0/19 | AS39392 | SuperNetwork - SuperNetwork | CZ |
WHOIS identity
- Registrar
- registrar:reg-internet-cz
- Organization
- mesto osek
- Contact emails
- —
Subdomains
7 observed subdomains of osek.cz.
Showing 5 of 7. View all subdomains →
Web-graph footprint
Distinct hostnames that link to or from osek.cz in the public web crawl.
82 sites link to this hostname.
95 sites linked to from this hostname.
Sample inbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
14 SPF mechanisms authorising senders for osek.cz.
| Mechanism | Target |
|---|---|
| SPF_A | previo8.stable.cz |
| SPF_INCLUDE | _qa.salesforce.com |
| SPF_INCLUDE | _spf.google.com |
| SPF_INCLUDE | _spf.previo.app |
| SPF_INCLUDE | _spfblock.salesforce.com |
| SPF_INCLUDE | _spfblock1.salesforce.com |
| SPF_INCLUDE | mpo.cz |
| SPF_INCLUDE | smtpx.stable.cz |
| SPF_INCLUDE | spf.mandrillapp.com |
| SPF_INCLUDE | spf.protection.outlook.com |
| SPF_INCLUDE | uradprace.cz |
| SPF_IP | 188.92.12.202 |
| SPF_IP | 188.92.9.50 |
| SPF_MX | osek.cz |
Related pages
Pivot deeper into the graph from osek.cz.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "osek.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.