BIMIupBIMIup
    • 首页
    • 仪表板
    • 工具
    • 证书
    • BIMI 徽标
    • 常见问题
    检测器
    BIMIupBIMIup

    对来自全球主要证书颁发机构的 BIMI 证书进行全面的监控与分析。

    导航

    首页仪表板证书VMC 徽标检查器

    证书颁发机构

    DigiCertEntrustSectigoGlobalSign

    系统状态

    所有系统运行正常

    数据来源于 crt.sh

    更新: Nov 14, 2025

    © 2025 BIMIup。保留所有权利。

    Complete Email Authentication & Security Suite

    Email Authentication Tools & VMC Certificate Monitoring

    Secure your email infrastructure with our comprehensive authentication suite. Validate BIMI, DMARC, SPF, DKIM, MTA-STS, and TLS-RPT configurations. Monitor VMC/CMC certificates across major Certificate Authorities. Ensure your emails are authenticated, protected from spoofing, and display verified brand logos in customer inboxes.

    BIMI & VMC Monitoring
    DMARC/SPF/DKIM Checkers
    MTA-STS & TLS-RPT Tools

    Free to use • No credit card required • Instant access

    BIMI
    DMARC
    MTA-STS
    VMC

    BIMI 与 VMC

    徽标 URL、VMC 证书与 DMARC 合规性

    DMARC/SPF/DKIM

    策略、对齐方式、SPF 记录与 DKIM 选择器

    MTA-STS

    策略文件与 SMTP TLS 加密要求

    TLS-RPT

    TLS 报告记录与策略规范

    电子邮件认证检查器

    验证您的电子邮件身份验证配置

    即时验证您域的电子邮件身份验证配置。检查 BIMI 徽标 URL 与 VMC 证书,分析 DMARC/SPF/DKIM 策略,验证 MTA-STS 与 TLS-RPT 记录。获取可执行的建议,以提升在 Gmail、Yahoo、Fastmail 及其他主要服务商中的投递率、安全性与品牌保护。

    BIMI 与 VMC 验证验证 BIMI 徽标 URL、VMC 证书有效性以及用于徽标显示的 DMARC 合规性
    DMARC、SPF 与 DKIM 分析检查策略强度、对齐模式、SPF 记录、DKIM 选择器及报告配置
    MTA-STS 与 TLS-RPT 验证验证 MTA-STS 策略文件、TLS-RPT 记录及 SMTP TLS 加密要求
    Email Authentication

    Understanding DMARC: The Foundation of Email Security

    DMARC (Domain-based Message Authentication, Reporting, and Conformance) protects your domain from unauthorized use and email spoofing. Building on SPF (Sender Policy Framework) and DKIM (DomainKeys Identified Mail), DMARC provides a comprehensive framework for email authentication, enabling domain owners to specify how email receivers should handle messages that fail authentication checks.

    Implementing DMARC gives you visibility into all emails sent using your domain, detailed reports about authentication results, and control over how email providers handle failed authentication. This combination of monitoring and enforcement makes DMARC essential for modern email security and a prerequisite for implementing BIMI (Brand Indicators for Message Identification) with VMC certificates.

    DMARC Policy Levels Explained

    None (p=none)

    Monitor mode - no action taken on failed emails

    Ideal for initial implementation. Receive reports about email authentication without affecting delivery. Use this policy to identify legitimate email sources and fix authentication issues before enforcing stricter policies.

    BIMI Compatible

    Quarantine (p=quarantine)

    Failed emails sent to spam/junk folder

    Recommended for most organizations. Failed emails are marked as suspicious and sent to spam. Required for BIMI logo display. Provides strong protection while minimizing the risk of blocking legitimate emails.

    BIMI Compatible

    Reject (p=reject)

    Failed emails completely blocked

    Maximum protection. Failed emails are rejected and never reach the inbox. Provides the strongest protection against spoofing and phishing but requires careful implementation to avoid blocking legitimate emails. Enables BIMI logo display.

    How DMARC Enables BIMI and VMC Certificates

    The critical relationship between email authentication and brand logo display

    DMARC Policy Requirement

    BIMI requires a DMARC policy of "quarantine" (p=quarantine) or "reject" (p=reject). A policy of "none" (p=none) is insufficient because it doesn't provide enforcement to prevent email spoofing. This ensures only authenticated, legitimate emails display your brand logo.

    Authentication Alignment

    For BIMI to work, emails must pass DMARC authentication, requiring SPF or DKIM (or both) to pass with proper alignment. The domain in the "From" header must match the domain authenticated by SPF or DKIM, ensuring the email genuinely comes from your organization.

    VMC Certificate Verification

    When DMARC authentication passes and a BIMI record is found, email providers check for a VMC certificate. The VMC provides cryptographic proof of trademark ownership, completing the chain of trust from domain authentication to logo display. Major providers like Gmail require VMC certificates.

    Email Deliverability Impact

    Implementing DMARC with proper authentication enables BIMI and significantly improves email deliverability. Email providers trust authenticated emails more, resulting in better inbox placement, reduced spam filtering, and higher engagement.

    Key Benefits of DMARC Implementation

    Prevent Email Spoofing

    Stop attackers from sending emails that appear to come from your domain, protecting your brand reputation and customer trust.

    Reduce Phishing Attacks

    Significantly decrease successful phishing attempts by ensuring only authenticated emails from your domain reach customer inboxes.

    Improve Email Deliverability

    Properly configured DMARC increases the likelihood that your legitimate emails reach the inbox instead of spam folders.

    Gain Email Visibility

    Receive detailed reports about all emails sent using your domain, including unauthorized sending sources and authentication failures.

    Enable BIMI Logo Display

    DMARC with quarantine or reject policy is required for BIMI, allowing your verified brand logo to appear in customer email clients.

    Meet Compliance Requirements

    Satisfy regulatory and industry standards for email security, including requirements from major email providers and security frameworks.

    View Dashboard
    Browse Certificates
    全球 VMC 证书洞察

    全面的 VMC 证书情报

    对来自所有主要证书颁发机构的已验证标识证书(VMC)和通用标识证书(CMC)进行实时监控。跟踪证书状态、到期日期和续订模式,以识别机会并保持 BIMI 合规。

    我们的数据库持续更新,为电子邮件安全专家和品牌保护团队提供准确的 VMC 证书情报。监控来自 DigiCert、Entrust、Sectigo、GlobalSign 及其他主要 CA 的超过 11,000 份证书,以领先发现到期并识别销售机会。

    证书总数(2024 年及以后)

    11,176

    自 2024 年起的所有 VMC/CMC 证书

    有效证书

    5,180

    当前有效的证书

    已到期证书

    5,996

    已到期的证书

    于 2025 到期

    352

    今年到期的证书

    为什么要监控 VMC 证书?

    实时证书跟踪

    监控所有主要证书颁发机构的 VMC 与 CMC 证书,并提供自动更新。实时跟踪状态变更、到期和续订。

    到期监控

    确保不会错过证书到期。获取关于即将到期和续订模式的洞察,以维持 BIMI 徽标的持续显示。

    多证书颁发机构覆盖

    全面覆盖 DigiCert、Entrust、Sectigo、GlobalSign 等主要证书颁发机构。在一个平台中跟踪所有供应商的证书。

    历史数据分析

    访问全面的历史证书数据。分析趋势、识别模式,并就证书管理做出数据驱动的决策。

    销售情报

    识别未续订的已过期证书——为提供 VMC/CMC 证书服务的组织带来重要的销售机会。

    品牌保护洞察

    监控竞争对手的证书,跟踪行业采用率,确保您的组织在电子邮件认证和品牌保护方面保持领先。

    VMC 证书市场洞察

    强制认证要求

    主要电子邮件提供商现在强制执行严格的认证要求。Gmail 和 Yahoo 要求大批量发件人实施 DMARC、SPF 和 DKIM,而 Gmail 要求 VMC 证书以显示 BIMI 徽标。随着组织把电子邮件加密放在优先位置,MTA-STS 的采用正在快速增长。

    综合安全策略

    现代电子邮件安全需要多层保障:使用 DMARC 作为认证策略,SPF 和 DKIM 用于发件人验证,结合 VMC 的 BIMI 提供视觉品牌标识,MTA-STS 强制加密,TLS-RPT 用于安全监控。全面实施这些协议的组织将获得最佳的投递率和安全效果。

    可衡量的业务影响

    实施正确的电子邮件认证的组织报告显示:收件箱投放率提高 10%–30%,电子邮件互动率增加 5%–15%,网络钓鱼事件显著减少,品牌信任度提升。由于投递率和安全性的改善,投资回报通常在第一年内超过实施成本。

    演进的标准与工具

    电子邮件身份验证标准持续演进,诸如 MTA-STS 和 TLS-RPT 等新协议正逐步被采用。证书颁发机构(DigiCert、Entrust、Sectigo、GlobalSign)正在简化 VMC 的签发流程,而验证工具则使组织更容易实施并维护正确的身份验证配置。