Hostname
plananl.cz
Last fetched
plananl.cz resolves to 1 IPv4 address operated by OptoNet-AS - OptoNet Communication, spol. s.r.o. in CZ. WHOIS lists registrar:reg-active24 as the registrar.
Nutrition Label
Resolution chain
plananl.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 |
|---|---|---|---|---|
| 78.156.158.75 | 78.156.128.0/19 | AS43542 | OptoNet-AS - OptoNet Communication, spol. s.r.o. | CZ |
WHOIS identity
- Registrar
- registrar:reg-active24
- Organization
- m=ecstsk=fd =fa=f8ad plan=e1 nad lu=benic=ed
- Contact emails
- —
Subdomains
3 observed subdomains of plananl.cz.
Web-graph footprint
Distinct hostnames that link to or from plananl.cz in the public web crawl.
53 sites link to this hostname.
Threat posture
History
Mail and authentication
MX records
SPF policy
1 SPF mechanism authorising senders for plananl.cz.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | spf.protection.outlook.com |
Related pages
Pivot deeper into the graph from plananl.cz.
- IP · 78.156.158.75
- ASN · AS43542OptoNet-AS - OptoNet Communication, spol. s.r.o.
- Registrar · registrar:reg-active24
- Country · CZ
- TLD · .cz
- Browse hostnames · pl…
- 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: "plananl.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.