fcf.cat on Whisper Internet Directory

Nutrition Label

Resolution chain

fcf.cat resolves to 10 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IP	Prefix	ASN	Operator	Country
176.34.137.148	176.34.128.0/20	AS16509	AMAZON-02 - Amazon.com, Inc.	IE
34.254.61.124	34.248.0.0/13	AS16509	AMAZON-02 - Amazon.com, Inc.	IE
52.208.139.62	52.208.0.0/13	AS16509	AMAZON-02 - Amazon.com, Inc.	IE
52.209.163.235	52.208.0.0/13	AS16509	AMAZON-02 - Amazon.com, Inc.	IE
54.246.141.123	54.246.128.0/17	AS16509	AMAZON-02 - Amazon.com, Inc.	IE
54.75.44.101	54.74.0.0/15	AS16509	AMAZON-02 - Amazon.com, Inc.	IE
54.77.209.133	54.76.0.0/15	AS16509	AMAZON-02 - Amazon.com, Inc.	IE
54.77.224.176	54.76.0.0/15	AS16509	AMAZON-02 - Amazon.com, Inc.	IE
63.34.127.106	63.32.0.0/14	AS16509	AMAZON-02 - Amazon.com, Inc.	IE
99.81.18.26	99.80.0.0/15	AS16509	AMAZON-02 - Amazon.com, Inc.	IE

WHOIS identity

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Subdomains

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Web-graph footprint

Distinct hostnames that link to or from fcf.cat in the public web crawl.

Sample inbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

5 SPF mechanisms authorising senders for fcf.cat.

Mechanism	Target
SPF_A	fcf.cat
SPF_INCLUDE	_spf.firebasemail.com
SPF_INCLUDE	_spf.google.com
SPF_INCLUDE	fcf.ip-zone.com
SPF_MX	fcf.cat

Related pages

Pivot deeper into the graph from fcf.cat.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "fcf.cat"})-[: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.