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Hostname

siza.nl

Last fetched

siza.nl resolves to 1 IPv4 address operated by AS20847 in NL. WHOIS lists registrar:quality service provider b.v. as the registrar.

Nutrition Label

WHISPER CANON · siza.nlRouting diversity1.5/10Peering density5.4/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency0.0/10Resolver footprint8.0/10canon.whisper.security/host/siza.nl

Resolution chain

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

IPPrefixASNOperatorCountry
31.7.1.8731.7.0.0/22AS20847—NL

WHOIS identity

Registrar
registrar:quality service provider b.v.
Organization
—
Contact emails
—

Subdomains

7 observed subdomains of siza.nl.

Subdomain
autodiscover.siza.nl
fs.siza.nl
mfiles.siza.nl
relay.siza.nl
spf1.siza.nl
www.siza.nl
wwwtest.siza.nl

Web-graph footprint

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

154 sites link to this hostname.

93 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

24 SPF mechanisms authorising senders for siza.nl.

MechanismTarget
SPF_INCLUDEspf1.siza.nl
SPF_IP104.47.0.0/17
SPF_IP148.105.8.0/21
SPF_IP20.47.149.138/32
SPF_IP20.82.87.96/28
SPF_IP31.7.1.46
SPF_IP40.107.0.0/16
SPF_IP40.92.0.0/15
SPF_IP51.4.72.0/24
SPF_IP51.4.80.0/27
SPF_IP51.5.72.0/24
SPF_IP51.5.80.0/27
SPF_IP52.100.0.0/14
SPF_IP52.16.9.91/32
SPF_IP54.194.99.85
SPF_IP54.77.132.159
SPF_IP80.112.193.138/32
SPF_IP80.112.198.186/32
SPF_IP82.201.27.249
SPF_IP82.201.27.250
SPF_IP87.233.227.82
SPF_IP92.42.235.0/24
SPF_IP92.42.239.114/32
SPF_IP92.42.239.248/32

Related pages

Pivot deeper into the graph from siza.nl.

Cypher and MCP

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

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