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Hostname

f1s.nl

Last fetched

f1s.nl resolves to 1 IPv4 address operated by AS16276 in BE. WHOIS lists registrar:zxcs as the registrar.

Nutrition Label

WHISPER CANON · f1s.nlRouting diversity1.5/10Peering density10.0/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency0.0/10Resolver footprint4.0/10canon.whisper.security/host/f1s.nl

Resolution chain

f1s.nl resolves to 1 distinct IPv4 address via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
51.89.19.5351.89.0.0/16AS16276—BE

WHOIS identity

Registrar
registrar:zxcs
Organization
—
Contact emails
—

Subdomains

3 observed subdomains of f1s.nl.

Subdomain
mail.f1s.nl
wildcard.f1s.nl
www.f1s.nl

Web-graph footprint

Distinct hostnames that link to or from f1s.nl in the public web crawl.

19 sites link to this hostname.

622 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Related pages

Pivot deeper into the graph from f1s.nl.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "f1s.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.