Hostname
cs2000.cz
Last fetched
cs2000.cz resolves to 194.228.50.49, announced in 194.228.0.0/17 by O2-CZECH-REPUBLIC - O2 Czech Republic, a.s. in CZ. cs2000.cz is not listed on any threat feed indexed by WhisperGraph; reconciled level NONE.
Threat posture
0threat score (procedure-native scale)
NONENo threats observed.
- Threat feeds listing this
- 0
- Verdict coverage
- known-clean
Nutrition Label
Resolution chain
IPv6 resolution
No AAAA record for cs2000.cz is recorded in WhisperGraph.
Attribution
o2 czech republic
ORIGIN_AS
WHOIS identity
WhisperGraph holds no WHOIS registrar, registrant organisation or contact email for cs2000.cz. WHOIS is recorded against the registrable domain, so a subdomain such as a www. host carries none of its own — check the registrable domain for this name.
Subdomains
Showing 4 of 4 subdomains (4 per page).
Mail and authentication
Nameservers
- ns1.websupport.cz
- ns2.websupport.cz
- ns3.websupport.eu
- a.root-servers.net
- b.root-servers.net
- c.root-servers.net
- d.root-servers.net
- e.root-servers.net
- f.root-servers.net
- g.root-servers.net
- h.root-servers.net
- i.root-servers.net
- j.root-servers.net
- k.root-servers.net
- l.root-servers.net
- m.root-servers.net
MX records
- ftp.cs2000.cz
- mx1.cs2000.cz
SPF policy
- a: cs2000.cz
- mx: cs2000.cz
- ip: 194.228.50.50
- ip: 81.200.53.210
- ip: 81.200.53.212
Threat-feed evidence
History
Related pages
Pivot from cs2000.cz into the addresses, networks and registries it depends on.
Cypher and MCP
Reproduce this hostname's resolution chain against graph.whisper.security:
MATCH (h:HOSTNAME {name: "cs2000.cz"})-[:RESOLVES_TO]->(ip:IPV4)
-[:ANNOUNCED_BY]->(ap:ANNOUNCED_PREFIX)-[:ROUTES]->(a:ASN)
OPTIONAL MATCH (a)-[:HAS_NAME]->(n:ASN_NAME)
RETURN ip.name AS ip, ap.name AS prefix, a.name AS asn, n.name AS network
LIMIT 20Or query Whisper from your own LLM workflow via the Whisper MCP server.