Hostname
estermann.ch
Last fetched
estermann.ch resolves to 1 IPv4 address operated by AMAZON-02 - Amazon.com, Inc. in CH.
Nutrition Label
Resolution chain
estermann.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 |
|---|---|---|---|---|
| 3.165.190.39 | 3.165.190.0/23 | AS16509 | AMAZON-02 - Amazon.com, Inc. | CH |
WHOIS identity
- Registrar
- —
- Organization
- estermann
- Contact emails
- —
Subdomains
4 observed subdomains of estermann.ch.
Web-graph footprint
Distinct hostnames that link to or from estermann.ch in the public web crawl.
Sample inbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
5 SPF mechanisms authorising senders for estermann.ch.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | spf.cloud.ci-solution.com |
| SPF_INCLUDE | spf.creanet.ch |
| SPF_INCLUDE | spf.protection.outlook.com |
| SPF_IP | 46.140.101.156 |
| SPF_MX | estermann.ch |
Related pages
Pivot deeper into the graph from estermann.ch.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "estermann.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.