Hostname
blansko.cz
Last fetched
blansko.cz resolves to 1 IPv4 address operated by OptoNet-AS - OptoNet Communication, spol. s.r.o. in CZ. WHOIS lists registrar:reg-one as the registrar.
Nutrition Label
Resolution chain
blansko.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 |
|---|---|---|---|---|
| 78.156.158.200 | 78.156.128.0/19 | AS43542 | OptoNet-AS - OptoNet Communication, spol. s.r.o. | CZ |
WHOIS identity
- Registrar
- registrar:reg-one
- Organization
- město blansko
- Contact emails
- —
Subdomains
22 observed subdomains of blansko.cz.
Showing 21 of 22. View all subdomains →
Web-graph footprint
Distinct hostnames that link to or from blansko.cz in the public web crawl.
324 sites link to this hostname.
Threat posture
History
Mail and authentication
MX records
SPF policy
3 SPF mechanisms authorising senders for blansko.cz.
| Mechanism | Target |
|---|---|
| SPF_IP | 46.149.113.137 |
| SPF_IP | 46.149.115.83 |
| SPF_MX | blansko.cz |
Related pages
Pivot deeper into the graph from blansko.cz.
- IP · 78.156.158.200
- ASN · AS43542OptoNet-AS - OptoNet Communication, spol. s.r.o.
- Registrar · registrar:reg-one
- Country · CZ
- TLD · .cz
- Browse hostnames · bl…
- Glossary · What is a hostname?
- Whisper Internet Directory — home
- Live MOAS conflicts feed
- Threat feed · Spamhaus DROP
- United States internet infrastructure
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "blansko.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.