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Hostname

erf.nl

Last fetched

erf.nl resolves to 1 IPv4 address operated by AS31477 in NL. WHOIS lists registrar:internationale domeinregistratie nederland as the registrar.

Nutrition Label

WHISPER CANON · erf.nlRouting diversity1.5/10Peering density6.0/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency0.0/10Resolver footprint8.2/10canon.whisper.security/host/erf.nl

Resolution chain

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

IPPrefixASNOperatorCountry
45.82.188.2545.82.188.0/22AS31477—NL

WHOIS identity

Registrar
registrar:internationale domeinregistratie nederland
Organization
—
Contact emails
—

Subdomains

3 observed subdomains of erf.nl.

Subdomain
rdg.erf.nl
www.erf.nl

Showing 2 of 3. View all subdomains →

Web-graph footprint

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

11 sites link to this hostname.

6 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

5 SPF mechanisms authorising senders for erf.nl.

MechanismTarget
SPF_INCLUDEspf.protection.outlook.com
SPF_INCLUDEspf.tmes.trendmicro.com
SPF_IP45.82.188.25
SPF_IP84.243.251.105
SPF_MXerf.nl

Related pages

Pivot deeper into the graph from erf.nl.

Cypher and MCP

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

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