Hostname
tsf.nl
Last fetched
tsf.nl resolves to 1 IPv4 address operated by AS25151 in NL. WHOIS lists registrar:realtime register as the registrar.
Nutrition Label
Resolution chain
tsf.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 |
|---|---|---|---|---|
| 109.235.78.4 | 109.235.72.0/21 | AS25151 | — | NL |
WHOIS identity
- Registrar
- registrar:realtime register
- Organization
- —
- Contact emails
- —
Subdomains
41 observed subdomains of tsf.nl.
Showing 25 of 41. View all subdomains →
Web-graph footprint
Distinct hostnames that link to or from tsf.nl in the public web crawl.
1 site linked to from this hostname.
Sample inbound links
Sample outbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
5 SPF mechanisms authorising senders for tsf.nl.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | _spf.zivver.com |
| SPF_INCLUDE | mail.zendesk.com |
| SPF_INCLUDE | servers.mcsv.net |
| SPF_INCLUDE | spf.mandrillapp.com |
| SPF_INCLUDE | spf.protection.outlook.com |
Related pages
Pivot deeper into the graph from tsf.nl.
Cypher and MCP
Reproduce the resolution chain directly against graph.whisper.security:
MATCH (h:HOSTNAME {name: "tsf.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.