Skip to content

Hostname

plan4flex.nl

Last fetched

plan4flex.nl resolves to 1 IPv4 address operated by AS31673 in NL. WHOIS lists registrar:registrar.eu as the registrar.

Nutrition Label

WHISPER CANON · plan4flex.nlRouting diversity1.5/10Peering density4.3/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency0.0/10Resolver footprint4.0/10canon.whisper.security/host/plan4flex.nl

Resolution chain

plan4flex.nl resolves to 1 distinct IPv4 address via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
83.136.17.16083.136.17.0/24AS31673NL

WHOIS identity

Registrar
registrar:registrar.eu
Organization
Contact emails

Subdomains

21 observed subdomains of plan4flex.nl.

Web-graph footprint

Distinct hostnames that link to or from plan4flex.nl in the public web crawl.

30 sites link to this hostname.

220 sites linked to from this hostname.

Threat posture

History

Mail and authentication

SPF policy

6 SPF mechanisms authorising senders for plan4flex.nl.

MechanismTarget
SPF_EXISTS%{ir}._spf.msdp1.com
SPF_INCLUDE_spf.activedemand.com
SPF_INCLUDEspf.micros.nl
SPF_INCLUDEspf.protection.outlook.com
SPF_INCLUDEspf.topdesk.net
SPF_INCLUDEspf.werktonline.nl

Related pages

Pivot deeper into the graph from plan4flex.nl.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "plan4flex.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.