Hostname
ctek.ch
Last fetched
ctek.ch resolves to 1 IPv4 address operated by AMAZON-02 - Amazon.com, Inc. in DE.
Nutrition Label
Resolution chain
ctek.ch 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 |
|---|---|---|---|---|
| 3.64.141.21 | 3.64.0.0/12 | AS16509 | AMAZON-02 - Amazon.com, Inc. | DE |
WHOIS identity
- Registrar
- —
- Organization
- ctek
- Contact emails
- —
Subdomains
25 observed subdomains of ctek.ch.
Web-graph footprint
Distinct hostnames that link to or from ctek.ch in the public web crawl.
Sample inbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
4 SPF mechanisms authorising senders for ctek.ch.
| Mechanism | Target |
|---|---|
| SPF_A | ctek.ch |
| SPF_A | venus.ctekag.ch |
| SPF_INCLUDE | spf.ctekag.ch |
| SPF_MX | ctek.ch |
Related pages
Pivot deeper into the graph from ctek.ch.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "ctek.ch"})-[: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.