Hostname
tkb.nl
Last fetched
tkb.nl resolves to 1 IPv4 address operated by DUOCAST-AS in NL.
Nutrition Label
Resolution chain
tkb.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 |
|---|---|---|---|---|
| 45.82.188.63 | 45.82.188.0/22 | AS31477 | DUOCAST-AS | NL |
WHOIS identity
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Subdomains
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Web-graph footprint
Distinct hostnames that link to or from tkb.nl in the public web crawl.
Threat posture
History
Mail and authentication
SPF policy
10 SPF mechanisms authorising senders for tkb.nl.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | e.everybodyfrank.com |
| SPF_INCLUDE | emsd1.com |
| SPF_INCLUDE | servers.mcsv.net |
| SPF_INCLUDE | spf-de.emailsignatures365.com |
| SPF_INCLUDE | spf.antispamcloud.com |
| SPF_INCLUDE | spf.mailjet.com |
| SPF_INCLUDE | spf.protection.outlook.com |
| SPF_IP | 213.136.9.80/28 |
| SPF_IP | 45.86.178.186 |
| SPF_IP | 45.91.118.5 |
Related pages
Pivot deeper into the graph from tkb.nl.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "tkb.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.