Hostname
cra.cz
Last fetched
cra.cz resolves to 1 IPv4 address operated by AS25248 in CZ. WHOIS lists registrar:reg-internet-cz as the registrar.
Nutrition Label
Resolution chain
cra.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 |
|---|---|---|---|---|
| 82.99.169.74 | 82.99.128.0/18 | AS25248 | — | CZ |
WHOIS identity
- Registrar
- registrar:reg-internet-cz
- Organization
- ceske radiokomunikace a.s.
- Contact emails
Subdomains
498 observed subdomains of cra.cz.
Showing 25 of 498. View all subdomains →
Web-graph footprint
Distinct hostnames that link to or from cra.cz in the public web crawl.
180 sites link to this hostname.
107 sites linked to from this hostname.
Sample inbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
10 SPF mechanisms authorising senders for cra.cz.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | _spf.eu.mailgun.org |
| SPF_INCLUDE | cuda2.bluetone.cz |
| SPF_INCLUDE | el-dokument.net |
| SPF_INCLUDE | regulus.bluetone.cz |
| SPF_INCLUDE | servers.mcsv.net |
| SPF_INCLUDE | smtp.cra.cz |
| SPF_INCLUDE | spf.emailkampane.cz |
| SPF_INCLUDE | spf.protection.outlook.com |
| SPF_IP | 82.99.169.66 |
| SPF_IP | 89.221.218.39 |
Related pages
Pivot deeper into the graph from cra.cz.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "cra.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.