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Hostname

clv.nl

Last fetched

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

Nutrition Label

WHISPER CANON · clv.nlRouting diversity1.5/10Peering density1.2/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency0.0/10Resolver footprint4.0/10canon.whisper.security/host/clv.nl

Resolution chain

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

IPPrefixASNOperatorCountry
37.34.59.4137.34.56.0/21AS20857—NL

WHOIS identity

Registrar
registrar:registrar.eu
Organization
—
Contact emails
—

Subdomains

9 observed subdomains of clv.nl.

Subdomain
autodiscover.clv.nl
da.clv.nl
edunet.clv.nl
fm-wis.clv.nl
intranet.clv.nl
print.clv.nl
srs.clv.nl
webmail.clv.nl
www.clv.nl

Web-graph footprint

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

27 sites link to this hostname.

50 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

12 SPF mechanisms authorising senders for clv.nl.

MechanismTarget
SPF_Asmtp.schoolwerkplek.nl
SPF_INCLUDEspf.afas.online
SPF_INCLUDEspf.eu.exclaimer.net
SPF_INCLUDEspf.flowmailer.net
SPF_INCLUDEspf.formdesk.com
SPF_INCLUDEspf.protection.outlook.com
SPF_INCLUDEspf.topdesk.net
SPF_IP157.97.211.118
SPF_IP157.97.216.2
SPF_IP212.29.183.116
SPF_IP83.247.18.171
SPF_IP83.247.18.173

Related pages

Pivot deeper into the graph from clv.nl.

Cypher and MCP

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

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