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Hostname

leonon.nl

Last fetched

leonon.nl resolves to 1 IPv4 address operated by AS20857 in NL. WHOIS lists registrar:hostnet b.v. as the registrar.

Nutrition Label

WHISPER CANON · leonon.nlRouting diversity1.5/10Peering density1.2/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency0.0/10Resolver footprint3.2/10canon.whisper.security/host/leonon.nl

Resolution chain

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

IPPrefixASNOperatorCountry
149.210.206.170149.210.128.0/17AS20857—NL

WHOIS identity

Registrar
registrar:hostnet b.v.
Organization
—
Contact emails
—

Subdomains

2 observed subdomains of leonon.nl.

Subdomain
beheer.leonon.nl
www.leonon.nl

Web-graph footprint

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

24 sites link to this hostname.

16 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 leonon.nl.

MechanismTarget
SPF_INCLUDEspf.protection.outlook.com

Related pages

Pivot deeper into the graph from leonon.nl.

Cypher and MCP

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

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