Hostname
cortexsystem.nl
Last fetched
cortexsystem.nl resolves to 1 IPv4 address operated by DUOCAST-AS in NL. WHOIS lists registrar:exsilia internet b.v. as the registrar.
Nutrition Label
Resolution chain
cortexsystem.nl 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 |
|---|---|---|---|---|
| 83.137.145.180 | 83.137.144.0/21 | AS31477 | DUOCAST-AS | NL |
WHOIS identity
- Registrar
- registrar:exsilia internet b.v.
- Organization
- —
- Contact emails
- —
Subdomains
18 observed subdomains of cortexsystem.nl.
Showing 15 of 18. View all subdomains →
Web-graph footprint
Distinct hostnames that link to or from cortexsystem.nl in the public web crawl.
Sample inbound links
Sample outbound links
Threat posture
History
Mail and authentication
SPF policy
4 SPF mechanisms authorising senders for cortexsystem.nl.
| Mechanism | Target |
|---|---|
| SPF_A | cortexsystem.nl |
| SPF_INCLUDE | _spf.exsilia.net |
| SPF_INCLUDE | spf.protection.outlook.com |
| SPF_MX | cortexsystem.nl |
Related pages
Pivot deeper into the graph from cortexsystem.nl.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "cortexsystem.nl"})-[: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.