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Hostname

3f.dk

Last fetched

3f.dk resolves to 4 IPv4 addresses operated by CLOUDFLARENET - Cloudflare, Inc. in CA.

Nutrition Label

WHISPER CANON · 3f.dkRouting diversity3.0/10Peering density10.0/10MOAS conflict✓ noneThreat-feed listings6.8/10WHOIS transparency10.0/10Resolver footprint8.0/10canon.whisper.security/host/3f.dk

Resolution chain

3f.dk resolves to 4 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
172.66.40.249172.66.40.0/21AS13335CLOUDFLARENET - Cloudflare, Inc.CA
172.66.43.7172.66.40.0/21AS13335CLOUDFLARENET - Cloudflare, Inc.CA
8.47.69.08.47.69.0/24AS13335CLOUDFLARENET - Cloudflare, Inc.US
8.6.112.08.6.112.0/24AS13335CLOUDFLARENET - Cloudflare, Inc.US

WHOIS identity

Registrar
Organization
fagligt faelles forbund
Contact emails

Subdomains

55 observed subdomains of 3f.dk.

Web-graph footprint

Distinct hostnames that link to or from 3f.dk in the public web crawl.

460 sites link to this hostname.

Threat posture

History

Mail and authentication

SPF policy

10 SPF mechanisms authorising senders for 3f.dk.

MechanismTarget
SPF_INCLUDEdedicated.mysmtp.com
SPF_INCLUDEspf.hatteland.com
SPF_INCLUDEspf.mph1.com
SPF_INCLUDEspf.protection.outlook.com
SPF_IP159.183.35.2
SPF_IP168.245.61.203
SPF_IP168.245.67.108
SPF_IP193.163.134.0/24
SPF_IP52.232.5.115
SPF_IP77.66.57.123

Related pages

Pivot deeper into the graph from 3f.dk.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "3f.dk"})-[: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.