Hostname
psi.ch
Last fetched
psi.ch resolves to 1 IPv4 address operated by SWITCH Switch, Swiss Academic and Research Network in CH. WHOIS lists iana:3220 as the registrar.
Nutrition Label
Resolution chain
psi.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 |
|---|---|---|---|---|
| 192.33.120.110 | 192.33.120.0/21 | AS559 | SWITCH Switch, Swiss Academic and Research Network | CH |
WHOIS identity
- Registrar
- iana:3220
- Organization
- bianchi mauro
- Contact emails
- —
Subdomains
153 observed subdomains of psi.ch.
Showing 25 of 153. View all subdomains →
Web-graph footprint
Distinct hostnames that link to or from psi.ch in the public web crawl.
2,127 sites link to this hostname.
Sample inbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
10 SPF mechanisms authorising senders for psi.ch.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | mailgun.org |
| SPF_INCLUDE | spf.protection.outlook.com |
| SPF_INCLUDE | sympa.ethz.ch |
| SPF_IP | 20.250.75.252 |
| SPF_IP | 20.250.76.7 |
| SPF_IP | 2001:67c:10ec:57c1:0:0:0:21 |
| SPF_IP | 2001:67c:10ec:57c2:0:0:0:21 |
| SPF_IP | 212.71.111.45/32 |
| SPF_IP | 212.71.124.231/32 |
| SPF_IP | 212.71.124.232/32 |
Related pages
Pivot deeper into the graph from psi.ch.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "psi.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.