DMARC Spoof Detection, Brazil
Clear Clear FilterThis page shows DMARC authentication failures originating from Brazil. Learn more about this data.
Failures (Filtered)
109
IPs (Filtered)
105
Networks (Filtered)
70
Messages (Filtered)
349
Analysis
Brazil has contributed 105 unique IP addresses across 109 failed authentication events, accounting for 349 messages across 70 networks. Activity spans from April 4, 2024 to May 23, 2026. The most active networks are Claro NXT Telecomunicacoes Ltda, TELEFÔNICA BRASIL S.A, and BRISANET SERVICOS DE TELECOMUNICACOES S.A.
Failures
Showing 21-30 of 109 failures, affecting 349 messages| Date ▼ | Source IP | Country | City | Network | Messages |
|---|---|---|---|---|---|
| 2/14/2026 | BR Brazil | Praia Grande | 1 | ||
| 2/12/2026 | BR Brazil | São José dos Pinhais | 2 | ||
| 2/12/2026 | BR Brazil | Marília | 4 | ||
| 2/11/2026 | BR Brazil | Brasília | 1 | ||
| 2/11/2026 | BR Brazil | Rio de Janeiro | 4 | ||
| 1/25/2026 | BR Brazil | Porto Alegre | 1 | ||
| 1/20/2026 | BR Brazil | Rio de Janeiro | 4 | ||
| 1/17/2026 | BR Brazil | Rio de Janeiro | 4 | ||
| 1/15/2026 | BR Brazil | São José dos Pinhais | 4 | ||
| 1/12/2026 | BR Brazil | Regente Feijó | 1 |
Top Networks in Brazil
- Claro NXT Telecomunicacoes Ltda
- TELEFÔNICA BRASIL S.A
- BRISANET SERVICOS DE TELECOMUNICACOES S.A
- ACESSOLINE TELECOMUNICA??ES LTDA
- JOSE CARLOS GONZAGA CARDOSO - ME
- H NET SERVICOS DE COMUNICACAO E TECNOLOGIA LTDA
- A & G Serviços em TI
- WHOIS_LOOKUP_FAILED
- Alares Cabo Servicos de Telecomunicacoes S.A.
- V tal