Skip to content

Hostname

c4a.info

Last fetched

c4a.info resolves to 4 IPv4 addresses operated by AMAZON-02 - Amazon.com, Inc. in US. WHOIS lists iana:2 as the registrar.

Nutrition Label

WHISPER CANON · c4a.infoRouting diversity3.5/10Peering density9.5/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency10.0/10Resolver footprint8.6/10canon.whisper.security/host/c4a.info

Resolution chain

c4a.info resolves to 4 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
18.188.54.5218.188.0.0/16AS16509AMAZON-02 - Amazon.com, Inc.US
3.134.158.1953.132.0.0/14AS16509AMAZON-02 - Amazon.com, Inc.US
3.139.24.613.136.0.0/13AS16509AMAZON-02 - Amazon.com, Inc.US
3.22.20.2313.20.0.0/14AS16509AMAZON-02 - Amazon.com, Inc.US

WHOIS identity

Registrar
iana:2
Organization
c4a
Contact emails

Subdomains

8 observed subdomains of c4a.info.

Subdomain
autodiscover.c4a.info
c4areg.c4a.info
dev.c4a.info
elderabuseawareness.c4a.info
mail.c4a.info
www.c4a.info

Showing 6 of 8. View all subdomains →

Web-graph footprint

Distinct hostnames that link to or from c4a.info in the public web crawl.

42 sites link to this hostname.

23 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 c4a.info.

MechanismTarget
SPF_INCLUDEamazonses.com
SPF_INCLUDEspf.protection.outlook.com
SPF_IP69.49.254.148

Related pages

Pivot deeper into the graph from c4a.info.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "c4a.info"})-[: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.