Hostname
instruct.nl
Last fetched
instruct.nl resolves to 2 IPv4 addresses operated by CLOUDFLARENET - Cloudflare, Inc. in CA. WHOIS lists registrar:team.blue nl b.v. as the registrar.
Nutrition Label
Resolution chain
instruct.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 |
|---|---|---|---|---|
| 104.21.9.220 | 104.21.0.0/20 | AS13335 | CLOUDFLARENET - Cloudflare, Inc. | CA |
| 172.67.131.11 | 172.67.128.0/20 | AS13335 | CLOUDFLARENET - Cloudflare, Inc. | CA |
WHOIS identity
- Registrar
- registrar:team.blue nl b.v.
- Organization
- —
- Contact emails
- —
Subdomains
29 observed subdomains of instruct.nl.
Showing 19 of 29. View all subdomains →
Web-graph footprint
Distinct hostnames that link to or from instruct.nl in the public web crawl.
69 sites link to this hostname.
214 sites linked to from this hostname.
Sample inbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
10 SPF mechanisms authorising senders for instruct.nl.
| Mechanism | Target |
|---|---|
| SPF_A | instruct.nl |
| SPF_INCLUDE | _spf.google.com |
| SPF_INCLUDE | _spf.transip.email |
| SPF_INCLUDE | mailplus.nl |
| SPF_INCLUDE | spf.app.perfectview.nl |
| SPF_INCLUDE | spf.flowmailer.net |
| SPF_IP | 136.144.235.12 |
| SPF_IP | 149.210.174.28 |
| SPF_IP | 185.10.50.191 |
| SPF_IP | 2a01:7c8:d008:d1:0:0:0:1 |
Related pages
Pivot deeper into the graph from instruct.nl.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "instruct.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.