Hostname
klasterka.com
Last fetched
klasterka.com resolves to 1 IPv4 address operated by O2-CZECH-REPUBLIC - O2 Czech Republic, a.s. in CZ. WHOIS lists iana:1505 as the registrar.
Nutrition Label
Resolution chain
klasterka.com 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 |
|---|---|---|---|---|
| 90.183.169.74 | 90.183.0.0/16 | AS5610 | O2-CZECH-REPUBLIC - O2 Czech Republic, a.s. | CZ |
WHOIS identity
- Registrar
- iana:1505
- Organization
- aspekt z.s., cz, whois protection, this company does not own this domain name s.r.o., gransy s.r.o d/b/a subreg.cz, not disclosed
- Contact emails
Subdomains
1 observed subdomain of klasterka.com.
| Subdomain |
|---|
| www.klasterka.com |
Web-graph footprint
Distinct hostnames that link to or from klasterka.com in the public web crawl.
2 sites linked to from this hostname.
Sample outbound links
Threat posture
History
Mail and authentication
SPF policy
3 SPF mechanisms authorising senders for klasterka.com.
| Mechanism | Target |
|---|---|
| SPF_A | email.fspnet.eu |
| SPF_A | mailx.fspnet.eu |
| SPF_MX | klasterka.com |
Related pages
Pivot deeper into the graph from klasterka.com.
- IP · 90.183.169.74
- ASN · AS5610O2-CZECH-REPUBLIC - O2 Czech Republic, a.s.
- Registrar · iana:1505
- Country · CZ
- Email · info@fspnet.cz
- TLD · .com
- Browse hostnames · kl…
- 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: "klasterka.com"})-[: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.