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Hostname

wouterosterholt.com

Last fetched

wouterosterholt.com resolves to 1 IPv4 address operated by AS20857 in NL. WHOIS lists iana:1647 as the registrar.

Nutrition Label

WHISPER CANON · wouterosterholt.comRouting diversity1.5/10Peering density1.2/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency10.0/10Resolver footprint8.2/10canon.whisper.security/host/wouterosterholt.com

Resolution chain

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

IPPrefixASNOperatorCountry
136.144.158.57136.144.128.0/17AS20857—NL

WHOIS identity

Registrar
iana:1647
Organization
wouter osterholt
Contact emails

Subdomains

1 observed subdomain of wouterosterholt.com.

Subdomain
www.wouterosterholt.com

Web-graph footprint

Distinct hostnames that link to or from wouterosterholt.com in the public web crawl.

11 sites link to this hostname.

47 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

1 SPF mechanism authorising senders for wouterosterholt.com.

MechanismTarget
SPF_INCLUDE_spf.transip.email

Related pages

Pivot deeper into the graph from wouterosterholt.com.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "wouterosterholt.com"})-[: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.