Hostname
theoptimist.nl
Last fetched
theoptimist.nl resolves to 1 IPv4 address operated by AS29001 in NL. WHOIS lists iana:1007 as the registrar.
Nutrition Label
Resolution chain
theoptimist.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 |
|---|---|---|---|---|
| 217.170.16.55 | 217.170.16.0/23 | AS29001 | — | NL |
WHOIS identity
- Registrar
- iana:1007
- Organization
- —
- Contact emails
- —
Subdomains
7 observed subdomains of theoptimist.nl.
Web-graph footprint
Distinct hostnames that link to or from theoptimist.nl in the public web crawl.
305 sites link to this hostname.
1,100 sites linked to from this hostname.
Sample inbound links
Threat posture
History
Mail and authentication
SPF policy
4 SPF mechanisms authorising senders for theoptimist.nl.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | mailgun.org |
| SPF_INCLUDE | mailplus.nl |
| SPF_INCLUDE | spf.protection.outlook.com |
| SPF_IP | 5.172.47.133 |
Related pages
Pivot deeper into the graph from theoptimist.nl.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "theoptimist.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.