DMARC Spoof Detection, Brazil
Clear Clear FilterThis page shows DMARC authentication failures originating from Brazil. Learn more about this data.
Failures (Filtered)
93
IPs (Filtered)
91
Networks (Filtered)
62
Messages (Filtered)
313
Analysis
Brazil has contributed 91 unique IP addresses across 93 failed authentication events, accounting for 313 messages across 62 networks. Activity spans from April 4, 2024 to April 4, 2026. The most active networks are Claro NXT Telecomunicacoes Ltda, TELEFÔNICA BRASIL S.A, and BRISANET SERVICOS DE TELECOMUNICACOES S.A.
Failures
Showing 41-50 of 93 (failures, affecting 313 messages)| Date ▼ | Source IP | Country | City | Network | Messages |
|---|---|---|---|---|---|
| 6/16/2025 | BR Brazil | Campo Grande | 4 | ||
| 6/16/2025 | BR Brazil | Fortaleza | 3 | ||
| 6/14/2025 | BR Brazil | Santa Maria de Jetibá | 2 | ||
| 6/14/2025 | BR Brazil | Gravataí | 2 | ||
| 6/14/2025 | BR Brazil | Mogi Guaçu | 3 | ||
| 6/13/2025 | BR Brazil | Ribeirão Preto | 1 | ||
| 6/13/2025 | BR Brazil | Sobral | 1 | ||
| 6/13/2025 | BR Brazil | Brasília | 5 | ||
| 6/11/2025 | BR Brazil | Carapicuíba | 4 | ||
| 6/10/2025 | BR Brazil | Porto Alegre | 4 |
Top Networks in Brazil
- Claro NXT Telecomunicacoes Ltda
- TELEFÔNICA BRASIL S.A
- BRISANET SERVICOS DE TELECOMUNICACOES S.A
- ACESSOLINE TELECOMUNICA��ES LTDA
- WHOIS_LOOKUP_FAILED
- H NET SERVICOS DE COMUNICACAO E TECNOLOGIA LTDA
- A & G Serviços em TI
- JOSE CARLOS GONZAGA CARDOSO - ME
- Alares Cabo Servicos de Telecomunicacoes S.A.
- A & G Servi�os em TI