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Hostname

f4s.org.uk

Last fetched

f4s.org.uk resolves to 1 IPv4 address operated by AMAZON-02 - Amazon.com, Inc. in IE. WHOIS lists registrar:godaddy.com, llc. [tag = godaddy] as the registrar.

Nutrition Label

WHISPER CANON · f4s.org.ukRouting diversity1.5/10Peering density9.4/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency3.3/10Resolver footprint4.6/10canon.whisper.security/host/f4s.org.uk

Resolution chain

f4s.org.uk resolves to 1 distinct IPv4 address via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
3.250.92.1943.248.0.0/13AS16509AMAZON-02 - Amazon.com, Inc.IE

WHOIS identity

Registrar
registrar:godaddy.com, llc. [tag = godaddy]
Organization
chris howard
Contact emails
—

Subdomains

2 observed subdomains of f4s.org.uk.

Subdomain
changelog.f4s.org.uk
www.f4s.org.uk

Web-graph footprint

Distinct hostnames that link to or from f4s.org.uk in the public web crawl.

6 sites link to this hostname.

173 sites linked to from this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

3 SPF mechanisms authorising senders for f4s.org.uk.

MechanismTarget
SPF_INCLUDE26690283.spf03.hubspotemail.net
SPF_INCLUDE_spf.google.com
SPF_INCLUDEamazonses.com

Related pages

Pivot deeper into the graph from f4s.org.uk.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "f4s.org.uk"})-[: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.