Hostname
sems.ch
Last fetched
sems.ch resolves to 1 IPv4 address operated by CYON in CH.
Nutrition Label
Resolution chain
sems.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 |
|---|---|---|---|---|
| 149.126.4.109 | 149.126.0.0/21 | AS47302 | CYON | CH |
WHOIS identity
No WHOIS records are currently associated with sems.ch in WhisperGraph.
Subdomains
4 observed subdomains of sems.ch.
| Subdomain |
|---|
| dev.sems.ch |
| www.sems.ch |
| mail.sems.ch |
Showing 3 of 4. View all subdomains →
Web-graph footprint
Distinct hostnames that link to or from sems.ch in the public web crawl.
144 sites link to this hostname.
Sample inbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
2 SPF mechanisms authorising senders for sems.ch.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | _spf.createsend.com |
| SPF_INCLUDE | spf.protection.cyon.net |
Related pages
Pivot deeper into the graph from sems.ch.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "sems.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.