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Hostname

4f.hr

Last fetched

4f.hr resolves to 4 IPv4 addresses operated by AS20940 in NO. WHOIS lists registrar:cyber_folks d.o.o. as the registrar.

Nutrition Label

WHISPER CANON · 4f.hrRouting diversity2.4/10Peering density9.3/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency6.7/10Resolver footprint5.6/10canon.whisper.security/host/4f.hr

Resolution chain

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

WHOIS identity

Registrar
registrar:cyber_folks d.o.o.
Organization
otcf spolka akcyjna
Contact emails

Subdomains

6 observed subdomains of 4f.hr.

Web-graph footprint

Distinct hostnames that link to or from 4f.hr in the public web crawl.

19 sites link to this hostname.

3 sites linked to from this hostname.

Threat posture

History

Mail and authentication

MX records

SPF policy

6 SPF mechanisms authorising senders for 4f.hr.

MechanismTarget
SPF_INCLUDE_spf.emaillabs.net.pl
SPF_INCLUDEecdp.app
SPF_IP83.142.187.84
SPF_IP83.142.187.85
SPF_IP85.14.86.249
SPF_IP89.171.114.122

Related pages

Pivot deeper into the graph from 4f.hr.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "4f.hr"})-[: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.