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
Resolution chain
4f.hr resolves to 4 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.
| IP | Prefix | ASN | Operator | Country |
|---|---|---|---|---|
| 2.22.225.49 | 2.22.225.0/24 | AS20940 | — | NO |
| 2.22.225.90 | 2.22.225.0/24 | AS20940 | — | NO |
| 23.218.93.139 | 23.218.93.0/24 | AS20940 | — | US |
| 23.218.93.211 | 23.218.93.0/24 | AS20940 | — | US |
WHOIS identity
- Registrar
- registrar:cyber_folks d.o.o.
- Organization
- otcf spolka akcyjna
- Contact emails
Subdomains
6 observed subdomains of 4f.hr.
Showing 5 of 6. View all subdomains →
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.
Sample inbound links
Sample outbound links
Threat posture
History
Mail and authentication
MX records
SPF policy
6 SPF mechanisms authorising senders for 4f.hr.
| Mechanism | Target |
|---|---|
| SPF_INCLUDE | _spf.emaillabs.net.pl |
| SPF_INCLUDE | ecdp.app |
| SPF_IP | 83.142.187.84 |
| SPF_IP | 83.142.187.85 |
| SPF_IP | 85.14.86.249 |
| SPF_IP | 89.171.114.122 |
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 20Or query Whisper from your own LLM workflow via the Whisper MCP server.