Hostname
fourmilab.ch
Last fetched
fourmilab.ch resolves to 1 IPv4 address operated by AMAZON-02 - Amazon.com, Inc. in DE. WHOIS lists iana:85 as the registrar.
Nutrition Label
Resolution chain
fourmilab.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 |
|---|---|---|---|---|
| 52.28.236.0 | 52.28.0.0/16 | AS16509 | AMAZON-02 - Amazon.com, Inc. | DE |
WHOIS identity
- Registrar
- iana:85
- Organization
- centre de recherches
- Contact emails
- —
Subdomains
24 observed subdomains of fourmilab.ch.
Web-graph footprint
Distinct hostnames that link to or from fourmilab.ch in the public web crawl.
4,198 sites link to this hostname.
Sample inbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
4 SPF mechanisms authorising senders for fourmilab.ch.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | _spf.google.com |
| SPF_IP | 193.8.230.0/24 |
| SPF_IP | 3.123.190.28 |
| SPF_IP | 52.28.236.0 |
Related pages
Pivot deeper into the graph from fourmilab.ch.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "fourmilab.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.