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Hostname

21groep.nl

Last fetched

21groep.nl has no current public IPv4 resolution in WhisperGraph; WHOIS lists registrar:eurodns s.a. as the registrar.

Nutrition Label

WHISPER CANON · 21groep.nlRouting diversity0.0/10Peering density0.0/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency0.0/10Resolver footprint4.6/10canon.whisper.security/host/21groep.nl

Resolution chain

21groep.nl has no current public IPv4 resolution in WhisperGraph. The WHOIS record below is the only graph data we have on this hostname.

WHOIS identity

Registrar
registrar:eurodns s.a.
Organization
—
Contact emails
—

Subdomains

3 observed subdomains of 21groep.nl.

Subdomain
_senderspf.21groep.nl
clearvox.21groep.nl
www.21groep.nl

Web-graph footprint

Distinct hostnames that link to or from 21groep.nl in the public web crawl.

34 sites link to this hostname.

30 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

6 SPF mechanisms authorising senders for 21groep.nl.

MechanismTarget
SPF_A21groep.nl
SPF_INCLUDE_senderspf.tidi.nl
SPF_INCLUDEautotask.net
SPF_INCLUDEspf.protection.outlook.com
SPF_IP185.52.61.104
SPF_MX21groep.nl

Related pages

Pivot deeper into the graph from 21groep.nl.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "21groep.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.