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Hostname

mx.rf-f.de

Last fetched

mx.rf-f.de resolves to 2 IPv4 addresses operated by CLOUDFLARENET - Cloudflare, Inc. in CA.

Nutrition Label

WHISPER CANON · mx.rf-f.deRouting diversity2.4/10Peering density10.0/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency0.0/10Resolver footprint3.2/10canon.whisper.security/host/mx.rf-f.de

Resolution chain

mx.rf-f.de resolves to 2 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
104.21.74.252104.21.64.0/20AS13335CLOUDFLARENET - Cloudflare, Inc.CA
172.67.209.76172.67.208.0/20AS13335CLOUDFLARENET - Cloudflare, Inc.CA

WHOIS identity

No WHOIS records are currently associated with mx.rf-f.de in WhisperGraph.

Threat posture

History

Mail and authentication

MX records

SPF policy

14 SPF mechanisms authorising senders for mx.rf-f.de.

MechanismTarget
SPF_INCLUDEspf.protection.outlook.com
SPF_INCLUDEspf.sendinblue.com
SPF_IP213.83.51.42
SPF_IP213.83.51.43
SPF_IP213.83.51.44
SPF_IP213.83.51.46
SPF_IP78.47.156.99
SPF_IP80.237.216.210
SPF_IP81.169.200.235
SPF_IP85.220.149.170
SPF_IP85.220.149.171
SPF_IP85.220.149.172
SPF_IP85.220.149.173
SPF_MXmx.rf-f.de

Related pages

Pivot deeper into the graph from mx.rf-f.de.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "mx.rf-f.de"})-[: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.