所有工具
邮件 / DNS
DMARC 与 DKIM 查询
获取域名的 DMARC 和 DKIM TXT 记录。
关于此工具
Check DMARC and DKIM records online to verify email authentication setup before rollout. This DMARC DKIM checker highlights policy gaps that can lead to spoofing, phishing abuse, or mailbox distrust.
Use it during domain onboarding, ESP migration, or security audits to confirm alignment and signature readiness. Reliable authentication improves sender reputation and supports higher inbox placement.
需要大规模使用？了解 邮箱验证 API
常见问题
- Why check DMARC and DKIM together?
- DMARC enforcement depends on alignment, and DKIM is one of the core authentication channels that alignment relies on.
- When should I validate DMARC DKIM records?
- Validate after DNS updates, before campaign launches, and during any provider or infrastructure migration.
- Can this tool improve phishing resistance?
- Yes, identifying weak policy or signing configuration helps close authentication gaps that attackers exploit.