Hostname
cbsmail.cz
Last fetched
cbsmail.cz resolves to 1 IPv4 address operated by CEZNET-AS - CEZNET s.r.o. in CZ. WHOIS lists registrar:reg-wedos as the registrar.
Nutrition Label
Resolution chain
cbsmail.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 |
|---|---|---|---|---|
| 81.25.16.230 | 81.25.16.0/21 | AS57728 | CEZNET-AS - CEZNET s.r.o. | CZ |
WHOIS identity
- Registrar
- registrar:reg-wedos
- Organization
- cerberos s.r.o.
- Contact emails
- —
Subdomains
27 observed subdomains of cbsmail.cz.
Showing 25 of 27. View all subdomains →
Threat posture
History
Mail and authentication
MX records
SPF policy
11 SPF mechanisms authorising senders for cbsmail.cz.
| Mechanism | Target |
|---|---|
| SPF_A | mx1.tlnt.cz |
| SPF_A | mxin1.cbsmail.cz |
| SPF_A | mxin2.cbsmail.cz |
| SPF_IP | 188.122.222.233 |
| SPF_IP | 2a00:1800:0:100:0:0:0:0/64 |
| SPF_IP | 81.25.16.139 |
| SPF_IP | 81.25.16.170 |
| SPF_IP | 81.25.16.224 |
| SPF_IP | 81.25.16.234/31 |
| SPF_IP | 81.25.16.243 |
| SPF_IP | 81.25.16.252 |
Related pages
Pivot deeper into the graph from cbsmail.cz.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "cbsmail.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.