Hostname
certicon.cz
Last fetched
certicon.cz resolves to 1 IPv4 address operated by AS5610 in CZ. WHOIS lists registrar:reg-active24 as the registrar.
Nutrition Label
Resolution chain
certicon.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 |
|---|---|---|---|---|
| 80.188.153.43 | 80.188.128.0/17 | AS5610 | — | CZ |
WHOIS identity
- Registrar
- registrar:reg-active24
- Organization
- certicon, a. s.
- Contact emails
Subdomains
84 observed subdomains of certicon.cz.
Showing 25 of 84. View all subdomains →
Web-graph footprint
Distinct hostnames that link to or from certicon.cz in the public web crawl.
71 sites link to this hostname.
55 sites linked to from this hostname.
Sample inbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
4 SPF mechanisms authorising senders for certicon.cz.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | pidgeot.certicon.cz |
| SPF_INCLUDE | pidgeotto.certicon.cz |
| SPF_INCLUDE | pigeon.certicon.cz |
| SPF_INCLUDE | spf.protection.outlook.com |
Related pages
Pivot deeper into the graph from certicon.cz.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "certicon.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.