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Hostname

rf-f.com

Last fetched

rf-f.com resolves to 4 IPv4 addresses operated by CLOUDFLARENET - Cloudflare, Inc. in CA. WHOIS lists iana:1257 as the registrar.

Nutrition Label

WHISPER CANON · rf-f.comRouting diversity3.5/10Peering density10.0/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency10.0/10Resolver footprint8.0/10canon.whisper.security/host/rf-f.com

Resolution chain

rf-f.com resolves to 4 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
188.114.96.2188.114.96.0/24AS13335CLOUDFLARENET - Cloudflare, Inc.CA
188.114.97.2188.114.97.0/24AS13335CLOUDFLARENET - Cloudflare, Inc.CA

WHOIS identity

Registrar
iana:1257
Organization
michael riermeier
Contact emails

Subdomains

6 observed subdomains of rf-f.com.

Subdomain
autodiscover.rf-f.com
intranet.rf-f.com
mail.rf-f.com
webmail.rf-f.com
www.rf-f.com
xelos.rf-f.com

Web-graph footprint

Distinct hostnames that link to or from rf-f.com in the public web crawl.

7 sites link to this hostname.

51 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

14 SPF mechanisms authorising senders for rf-f.com.

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_MXrf-f.com

Related pages

Pivot deeper into the graph from rf-f.com.

Cypher and MCP

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

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