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Hostname

f4jr.org

Last fetched

f4jr.org resolves to 5 IPv4 addresses operated by CLOUDFLARENET - Cloudflare, Inc. in CA. WHOIS lists iana:433 as the registrar.

Nutrition Label

WHISPER CANON · f4jr.orgRouting diversity3.9/10Peering density10.0/10MOAS conflict✓ noneThreat-feed listings6.8/10WHOIS transparency10.0/10Resolver footprint4.6/10canon.whisper.security/host/f4jr.org

Resolution chain

f4jr.org resolves to 5 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
104.21.4.248104.22.47.0/24AS13335CLOUDFLARENET - Cloudflare, Inc.CA
172.67.132.167172.68.90.0/24AS13335CLOUDFLARENET - Cloudflare, Inc.CA
188.114.96.3188.116.207.0/24AS13335CLOUDFLARENET - Cloudflare, Inc.CA
188.114.97.3188.116.208.0/24AS13335CLOUDFLARENET - Cloudflare, Inc.CA
82.64.193.8482.80.248.0/24AS12322PROXAD - Free SASFR

WHOIS identity

Registrar
iana:433
Organization
f4jr
Contact emails

Subdomains

8 observed subdomains of f4jr.org.

Web-graph footprint

Distinct hostnames that link to or from f4jr.org in the public web crawl.

7 sites linked to from this hostname.

Sample inbound links

Threat posture

History

Mail and authentication

SPF policy

4 SPF mechanisms authorising senders for f4jr.org.

MechanismTarget
SPF_Af4jr.org
SPF_INCLUDE_spf.google.com
SPF_IP82.64.193.84
SPF_MXf4jr.org

Related pages

Pivot deeper into the graph from f4jr.org.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "f4jr.org"})-[: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.