Hostname

f4st.host

Last fetched Thu, 16 Jul 2026 15:29:57 GMT

f4st.host resolves to 1 IPv4 address operated by AS24940 in DE. WHOIS lists iana:1913 as the registrar.

Nutrition Label

Resolution chain

f4st.host resolves to 1 distinct IPv4 address via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IP	Prefix	ASN	Operator	Country
5.75.234.12	5.75.128.0/17	AS24940	—	DE

WHOIS identity

Registrar: iana:1913
Organization: —
Contact emails: —

Subdomains

23 observed subdomains of f4st.host.

Subdomain
autoconfig.f4st.host
autodiscover.f4st.host
dmarc-report.f4st.host
docker.f4st.host
fritzbox.f4st.host
fsn1-vpn.f4st.host
hass.f4st.host
home.f4st.host
homematic.f4st.host
imaginary.f4st.host
mikrotik.f4st.host
mirror.f4st.host
motioneye.f4st.host
mta-sts.f4st.host
mx.f4st.host
nas.f4st.host
nexu.f4st.host
octoprint.f4st.host
pw.f4st.host
stats.f4st.host
v1.f4st.host
web.f4st.host
www.f4st.host

Web-graph footprint

Distinct hostnames that link to or from f4st.host in the public web crawl.

1 site linked to from this hostname.

Sample outbound links

voit.eu

Threat posture

History

Mail and authentication

MX records

mx.f4st.host

SPF policy

1 SPF mechanism authorising senders for f4st.host.

Mechanism	Target
SPF_MX	f4st.host

Pivot deeper into the graph from f4st.host.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "f4st.host"})-[: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.