Hostname
atcomp.cz
Last fetched
atcomp.cz resolves to 1 IPv4 address operated by AS15935 in CZ. WHOIS lists registrar:reg-zoner as the registrar.
Nutrition Label
Resolution chain
atcomp.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 |
|---|---|---|---|---|
| 81.30.226.132 | 81.30.224.0/19 | AS15935 | — | CZ |
WHOIS identity
- Registrar
- registrar:reg-zoner
- Organization
- at computers a.s.
- Contact emails
Subdomains
35 observed subdomains of atcomp.cz.
Showing 25 of 35. View all subdomains →
Web-graph footprint
Distinct hostnames that link to or from atcomp.cz in the public web crawl.
385 sites link to this hostname.
40 sites linked to from this hostname.
Sample inbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
6 SPF mechanisms authorising senders for atcomp.cz.
| Mechanism | Target |
|---|---|
| SPF_A | atcomp.cz |
| SPF_INCLUDE | spf.protection.outlook.com |
| SPF_INCLUDE | spf.smartemailing.cz |
| SPF_IP | 193.85.25.25 |
| SPF_IP | 81.30.228.34/28 |
| SPF_MX | atcomp.cz |
Related pages
Pivot deeper into the graph from atcomp.cz.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "atcomp.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.