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Hostname

alfa.nl

Last fetched

alfa.nl resolves to 1 IPv4 address operated by AS20857 in NL. WHOIS lists registrar:combell as the registrar.

Nutrition Label

WHISPER CANON · alfa.nlRouting diversity1.5/10Peering density1.2/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency0.0/10Resolver footprint8.2/10canon.whisper.security/host/alfa.nl

Resolution chain

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

IPPrefixASNOperatorCountry
37.97.179.16937.97.128.0/17AS20857NL

WHOIS identity

Registrar
registrar:combell
Organization
Contact emails

Subdomains

18 observed subdomains of alfa.nl.

Web-graph footprint

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

235 sites link to this hostname.

1 site linked to from this hostname.

Sample outbound links

Threat posture

History

Mail and authentication

SPF policy

18 SPF mechanisms authorising senders for alfa.nl.

MechanismTarget
SPF_Aalfa.nl
SPF_INCLUDE_spf.paytsoftware.com
SPF_INCLUDEamazonses.com
SPF_INCLUDEsendgrid.net
SPF_INCLUDEspf.eu.exclaimer.net
SPF_INCLUDEspf.mandrillapp.com
SPF_INCLUDEspf.mtasv.net
SPF_INCLUDEspf.protection.outlook.com
SPF_IP149.72.236.193/32
SPF_IP173.236.20.0/24
SPF_IP192.254.119.131/32
SPF_IP192.92.97.0/24
SPF_IP52.128.40.0/21
SPF_IP77.32.158.58/28
SPF_IP81.24.63.1/29
SPF_IP90.145.212.95
SPF_IP91.199.59.100
SPF_MXalfa.nl

Related pages

Pivot deeper into the graph from alfa.nl.

Cypher and MCP

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

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