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Hostname

r4a.nl

Last fetched

r4a.nl resolves to 1 IPv4 address operated by AS48635 in NL. WHOIS lists registrar:realtime register as the registrar.

Nutrition Label

WHISPER CANON · r4a.nlRouting diversity1.5/10Peering density5.4/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency0.0/10Resolver footprint4.0/10canon.whisper.security/host/r4a.nl

Resolution chain

r4a.nl resolves to 1 distinct IPv4 address via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
185.37.71.82185.37.68.0/22AS48635—NL

WHOIS identity

Registrar
registrar:realtime register
Organization
—
Contact emails
—

Subdomains

2 observed subdomains of r4a.nl.

Subdomain
remote.r4a.nl
www.r4a.nl

Web-graph footprint

Distinct hostnames that link to or from r4a.nl in the public web crawl.

117 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

4 SPF mechanisms authorising senders for r4a.nl.

MechanismTarget
SPF_Ar4a.nl
SPF_Aremote.r4a.nl
SPF_INCLUDEspf.ess.de.barracudanetworks.com
SPF_INCLUDEspf.protection.outlook.com

Related pages

Pivot deeper into the graph from r4a.nl.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "r4a.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.