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Hostname

robbertdegroot.nl

Last fetched

robbertdegroot.nl has no current public IPv4 resolution in WhisperGraph; WHOIS lists registrar:antagonist b.v. as the registrar.

Nutrition Label

WHISPER CANON · robbertdegroot.nlRouting diversity—Peering density—MOAS conflict—Threat-feed listings—WHOIS transparency—Resolver footprint—canon.whisper.security/host/robbertdegroot.nl

Resolution chain

robbertdegroot.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:antagonist b.v.
Organization
—
Contact emails
—

Subdomains

2 observed subdomains of robbertdegroot.nl.

Subdomain
mail.robbertdegroot.nl
www.robbertdegroot.nl

Web-graph footprint

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

5 sites link to this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

6 SPF mechanisms authorising senders for robbertdegroot.nl.

MechanismTarget
SPF_Arobbertdegroot.nl
SPF_IP141.138.168.0/21
SPF_IP195.211.72.0/22
SPF_IP2a03:3c00:a001::/48
SPF_IP2a03:3c00:a002::/48
SPF_MXrobbertdegroot.nl

Related pages

Pivot deeper into the graph from robbertdegroot.nl.

Cypher and MCP

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

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