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Hostname

crefaz.com.br

Last fetched

crefaz.com.br resolves to 17 IPv4 addresses operated by AMAZON-02 - Amazon.com, Inc. in BR.

Nutrition Label

WHISPER CANON · crefaz.com.brRouting diversity5.7/10Peering density9.5/10MOAS conflict✓ noneThreat-feed listings6.8/10WHOIS transparency6.7/10Resolver footprint8.0/10canon.whisper.security/host/crefaz.com.br

Resolution chain

crefaz.com.br resolves to 17 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
15.229.185.24215.228.0.0/15AS16509AMAZON-02 - Amazon.com, Inc.BR
15.229.96.9515.228.0.0/15AS16509AMAZON-02 - Amazon.com, Inc.BR
177.71.137.237177.71.128.0/17AS16509AMAZON-02 - Amazon.com, Inc.BR
177.71.198.125177.71.192.0/20AS16509AMAZON-02 - Amazon.com, Inc.BR
18.228.253.14918.228.0.0/16AS16509AMAZON-02 - Amazon.com, Inc.BR
18.229.81.20218.229.0.0/16AS16509AMAZON-02 - Amazon.com, Inc.BR
18.230.4.24118.230.0.0/16AS16509AMAZON-02 - Amazon.com, Inc.BR
52.67.1.18352.67.0.0/16AS16509AMAZON-02 - Amazon.com, Inc.BR
54.207.247.9354.207.128.0/17AS16509AMAZON-02 - Amazon.com, Inc.BR
54.94.13.554.94.0.0/17AS16509AMAZON-02 - Amazon.com, Inc.BR
54.94.232.20254.94.192.0/18AS16509AMAZON-02 - Amazon.com, Inc.BR
54.94.252.13054.94.192.0/18AS16509AMAZON-02 - Amazon.com, Inc.BR
56.125.60.16456.125.0.0/16AS16509AMAZON-02 - Amazon.com, Inc.BR
56.126.134.21556.126.0.0/16AS16509AMAZON-02 - Amazon.com, Inc.BR
56.125.206.22056.125.0.0/16AS16509AMAZON-02 - Amazon.com, Inc.BR
54.20.17.6254.20.0.0/16AS16509AMAZON-02 - Amazon.com, Inc.BR
54.20.11.154.20.0.0/16AS16509AMAZON-02 - Amazon.com, Inc.BR

WHOIS identity

Registrar
Organization
alves e salas ltda
Contact emails

Subdomains

46 observed subdomains of crefaz.com.br.

Web-graph footprint

Distinct hostnames that link to or from crefaz.com.br in the public web crawl.

6 sites link to this hostname.

1 site linked to from this hostname.

Sample outbound links

Threat posture

History

Mail and authentication

SPF policy

2 SPF mechanisms authorising senders for crefaz.com.br.

MechanismTarget
SPF_INCLUDEamazonses.com
SPF_INCLUDEspf.protection.outlook.com

Related pages

Pivot deeper into the graph from crefaz.com.br.

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "crefaz.com.br"})-[: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.