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Hostname

1fs.nl

Last fetched

1fs.nl resolves to 1 IPv4 address operated by AS20857 in NL. WHOIS lists registrar:realtime register as the registrar.

Nutrition Label

WHISPER CANON · 1fs.nlRouting diversity1.5/10Peering density1.2/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency0.0/10Resolver footprint4.0/10canon.whisper.security/host/1fs.nl

Resolution chain

1fs.nl resolves to 1 distinct IPv4 address via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
37.97.131.2637.97.128.0/17AS20857—NL

WHOIS identity

Registrar
registrar:realtime register
Organization
—
Contact emails
—

Subdomains

6 observed subdomains of 1fs.nl.

Subdomain
cdn.1fs.nl
lms.1fs.nl
media.1fs.nl
white-label-api.1fs.nl
wl-staging.1fs.nl
www.1fs.nl

Web-graph footprint

Distinct hostnames that link to or from 1fs.nl in the public web crawl.

10 sites link to this hostname.

42 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

7 SPF mechanisms authorising senders for 1fs.nl.

MechanismTarget
SPF_A1fs.nl
SPF_INCLUDE_spf.transip.email
SPF_INCLUDEspf.mailjet.com
SPF_INCLUDEspf.protection.outlook.com
SPF_IP37.34.57.104
SPF_IP37.34.57.105
SPF_MX1fs.nl

Related pages

Pivot deeper into the graph from 1fs.nl.

Cypher and MCP

Reproduce the resolution chain directly against graph.whisper.security:

MATCH (h:HOSTNAME {name: "1fs.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 20

Or query Whisper from your own LLM workflow via the Whisper MCP server.