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Hostname

blockbr.com.br

Last fetched

blockbr.com.br resolves to 8 IPv4 addresses operated by AMAZON-02 - Amazon.com, Inc. in SE. WHOIS lists registrar:superdominios (53) as the registrar.

Nutrition Label

WHISPER CANON · blockbr.com.brRouting diversity2.4/10Peering density9.3/10MOAS conflict✓ noneThreat-feed listings10.0/10WHOIS transparency6.7/10Resolver footprint3.2/10canon.whisper.security/host/blockbr.com.br

Resolution chain

blockbr.com.br resolves to 8 distinct IPv4 addresses via WhisperGraph DNS data. Each row links to the IP, prefix, and announcing ASN.

IPPrefixASNOperatorCountry
3.164.240.183.164.240.0/21AS16509AMAZON-02 - Amazon.com, Inc.SE
3.164.240.423.164.240.0/21AS16509AMAZON-02 - Amazon.com, Inc.SE
3.164.240.753.164.240.0/21AS16509AMAZON-02 - Amazon.com, Inc.SE
3.164.240.873.164.240.0/21AS16509AMAZON-02 - Amazon.com, Inc.SE
52.222.136.10852.222.136.0/21AS16509AMAZON-02 - Amazon.com, Inc.DE
52.222.136.2552.222.136.0/21AS16509AMAZON-02 - Amazon.com, Inc.DE
52.222.136.3852.222.136.0/21AS16509AMAZON-02 - Amazon.com, Inc.DE
52.222.136.6552.222.136.0/21AS16509AMAZON-02 - Amazon.com, Inc.DE

WHOIS identity

Registrar
registrar:superdominios (53)
Organization
cassio krupinsk
Contact emails

Subdomains

15 observed subdomains of blockbr.com.br.

Subdomain
api.blockbr.com.br
www.blockbr.com.br
site.blockbr.com.br
marketplace.blockbr.com.br
mail.blockbr.com.br
lp.blockbr.com.br
hlg.blockbr.com.br
conteudo.blockbr.com.br
blog.blockbr.com.br
blockbrinvest.blockbr.com.br
blockbremissor.blockbr.com.br
bbrinvest.blockbr.com.br
backoffice-v2.blockbr.com.br
api-v2.blockbr.com.br
api-backoffice.blockbr.com.br

Web-graph footprint

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

26 sites link to this hostname.

Sample inbound links

Sample outbound links

Threat posture

History

Mail and authentication

MX records

SPF policy

10 SPF mechanisms authorising senders for blockbr.com.br.

MechanismTarget
SPF_Ablockbr.com.br
SPF_INCLUDE_spf.google.com
SPF_INCLUDE_spf.mailersend.net
SPF_INCLUDE_spf.rdstation.com.br
SPF_INCLUDEemsd1.com
SPF_INCLUDEmailgun.org
SPF_INCLUDEsendgrid.net
SPF_INCLUDEspf.sendinblue.com
SPF_IP170.81.43.111
SPF_MXblockbr.com.br

Related pages

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

Cypher and MCP

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

MATCH (h:HOSTNAME {name: "blockbr.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.