Hostname
rivm.nl
Last fetched
rivm.nl resolves to 2 IPv4 addresses operated by SURFNET-NL SURFnet, The Netherlands in NL. WHOIS lists registrar:rijksoverheid as the registrar.
Nutrition Label
Resolution chain
rivm.nl resolves to 2 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.
| IP | Prefix | ASN | Operator | Country |
|---|---|---|---|---|
| 131.224.245.84 | 131.224.0.0/16 | AS1103 | SURFNET-NL SURFnet, The Netherlands | NL |
| 131.224.245.85 | 131.224.0.0/16 | AS1103 | SURFNET-NL SURFnet, The Netherlands | NL |
WHOIS identity
- Registrar
- registrar:rijksoverheid
- Organization
- —
- Contact emails
- —
Subdomains
291 observed subdomains of rivm.nl.
Showing 25 of 291. View all subdomains →
Web-graph footprint
Distinct hostnames that link to or from rivm.nl in the public web crawl.
Sample inbound links
Threat posture
History
Mail and authentication
SPF policy
9 SPF mechanisms authorising senders for rivm.nl.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | _spf.zorgmail.nl |
| SPF_INCLUDE | sendgrid.net |
| SPF_INCLUDE | spf.protection.outlook.com |
| SPF_INCLUDE | spf.sslpost.com |
| SPF_IP | 131.224.254.240/28 |
| SPF_IP | 131.224.7.5 |
| SPF_IP | 144.43.249.200 |
| SPF_IP | 62.204.92.128/26 |
| SPF_IP | 80.84.235.70/32 |
Related pages
Pivot deeper into the graph from rivm.nl.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "rivm.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.