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Hostname

pen.nl

Last fetched

pen.nl resolves to 1 IPv4 address operated by AS50673 in NL. WHOIS lists registrar:mijn internetoplossing b.v. as the registrar.

Nutrition Label

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

Resolution chain

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

IPPrefixASNOperatorCountry
93.158.223.5293.158.208.0/20AS50673—NL

WHOIS identity

Registrar
registrar:mijn internetoplossing b.v.
Organization
—
Contact emails
—

Subdomains

1 observed subdomain of pen.nl.

Subdomain
www.pen.nl

Web-graph footprint

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

212 sites link to this hostname.

537 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

4 SPF mechanisms authorising senders for pen.nl.

MechanismTarget
SPF_Apen.nl
SPF_INCLUDE_spf.infra.host
SPF_INCLUDEbounced.nl
SPF_MXpen.nl

Related pages

Pivot deeper into the graph from pen.nl.

Cypher and MCP

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

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