Hostname

ccao.cz

Last fetched Thu, 23 Jul 2026 13:39:02 GMT

ccao.cz resolves to 1 IPv4 address operated by AS62298 in CZ. WHOIS lists registrar:reg-internet-cz as the registrar.

Nutrition Label

Resolution chain

ccao.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
91.205.40.22	91.205.40.0/24	AS62298	—	CZ

WHOIS identity

Registrar: registrar:reg-internet-cz
Organization: jan dohnal
Contact emails: —

Subdomains

4 observed subdomains of ccao.cz.

Subdomain
lists.ccao.cz
portal.ccao.cz
s4.ccao.cz
www.ccao.cz

Threat posture

History

Mail and authentication

MX records

mail.npx.cz

SPF policy

2 SPF mechanisms authorising senders for ccao.cz.

Mechanism	Target
SPF_INCLUDE	npx.cz
SPF_MX	ccao.cz

Pivot deeper into the graph from ccao.cz.

Cypher and MCP

Reproduce the resolution chain directly against graph.whisper.security:

MATCH (h:HOSTNAME {name: "ccao.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 20

Or query Whisper from your own LLM workflow via the Whisper MCP server.