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Hostname

zrd.nl

Last fetched

zrd.nl resolves to 1 IPv4 address operated by AS31673 in NL. WHOIS lists registrar:proxsys technology b.v. as the registrar.

Nutrition Label

WHISPER CANON · zrd.nlRouting diversity1.5/10Peering density4.6/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency0.0/10Resolver footprint4.6/10canon.whisper.security/host/zrd.nl

Resolution chain

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

IPPrefixASNOperatorCountry
84.38.237.17284.38.224.0/20AS31673—NL

WHOIS identity

Registrar
registrar:proxsys technology b.v.
Organization
—
Contact emails
—

Subdomains

8 observed subdomains of zrd.nl.

Subdomain
afvalkalender.zrd.nl
pieterbas.zrd.nl
portal.zrd.nl
test.zrd.nl
wildcard.zrd.nl
www.zrd.nl

Showing 6 of 8. View all subdomains →

Web-graph footprint

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

52 sites link to this hostname.

Sample inbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

8 SPF mechanisms authorising senders for zrd.nl.

MechanismTarget
SPF_Azrd.nl
SPF_INCLUDE_spf.proxsys.net
SPF_INCLUDEspf.protection.outlook.com
SPF_IP2a0a:9fc0:d:0:84:38:237:172
SPF_IP81.24.63.0/27
SPF_IP83.219.92.0/25
SPF_IP84.38.237.172
SPF_MXzrd.nl

Related pages

Pivot deeper into the graph from zrd.nl.

Cypher and MCP

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

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