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使用於 OV/EV TLS/SSL 憑證訂單上驗證網域的支援的 DCV 方法

證明對擱置的 OV 或 EV TLS/LLS 憑證訂單上的網域擁有控制權

DigiCert 發行 SSL/TLS 憑證前，您必須證明您對憑證訂單上的網域及任何 SAN (主體別名) 擁有控制權。我們參考作為「網域控制驗證 (DCV)」程序的此程序。

DigiCert 目前支援這些 DCV 方法：

  • 以電子郵件傳送給 DNS TXT 聯絡人

    • Email to DNS TXT contact

    • Constructed Email

    Warning

    End of life for the WHOIS-based Email

    On May 8, 2025, DigiCert ended support for the WHOIS-based domain control validation method (DCV) email method. DigiCert systems have stopped querying WHOIS entirely to find email addresses for domain validations. To learn more about this change, see our knowledge base article, End of life for WHOIS-based DCV methods.

    What should I do?

    Update your domain validation process to use one of the other supported DCV methods. To continue using the Email DCV method, use the DNS TXT record email contacts or the Constructed email method.

  • DNS CNAME

  • DNS TXT

  • HTTP Practical Demonstration (HTTP 現實論證) 也稱為檔案或檔案驗證。

  • HTTP Practical Demonstration (HTTP 現實論證) 也稱為檔案或檔案驗證。

訂購憑證時，選擇 DCV 方法以證明您對訂單上的網域擁有控制權。在憑證的訂單詳細資料頁面上，使用在訂購程序期間選取的 DCV 方法完成網域驗證。您可以視要切換驗證方法。

To validate your domains, you can do the DCV as part of the certificate request process, or you can prevalidate your domains. Per industry standards, a domain's validation is valid for 397 days (approximately 13 months).

  • Demonstrating control over domains on DV/OV/EV TSL/SSL certificate orders

    While ordering a certificate, you select a DCV method to demonstrate control over the domains on the order. On the certificate's Order details page, use the DCV method selected during the order process to validate the domains. You can always switch validation methods if needed.

  • Domain prevalidation

    CertCentral features a domain prevalidation process that allows you to validate your domains before you begin ordering certificates for them. See Domain prevalidation: Domain control validation (DCV) methods.

    Finishing the domain validation ahead of time allows for quicker certificate issuance. For immediate certificate issuance, Domain prevalidation is required. See OV/EV certificate immediate issuance.

電郵 DCV 方法

DigiCert 使用此驗證法可以傳送三組 DCV 電郵：基於 WHOIS、建構的和基於 DNS TXT。

若要證明對網域擁有控制權，電郵收件者遵照傳送給網域的確認電郵中的指示。確認程序由瀏覽提供的連結和遵照頁面上的指示所組成。

Note: DigiCert sends this email from no-reply@digitalcertvalidation.com. If using allowlist, make sure to include digitalcertvalidation.com.

See Use the Email validation method to verify domain control.

以電子郵件傳送給 DNS TXT 聯絡人 DCV 方法

For this method, DigiCert sends an authorization email to the email in the DNS TXT record on the _validation-contactemail subdomain of the domain being validated. To use Email to DNS TXT contact, make sure to select the Verification email DCV method.

To configure your CertCentral Email DCV method to send the confirmation email to DNS TXT contacts, do the following:

  1. Place the DNS TXT record on the _validation-contactemail subdomain of the domain you want to validate. The RDATA value of this text record must be a valid email address.

    名稱

    TTL

    訊息

    _validation-contactemail

    預設

    validatedomain@digicerttest.com

    DigiCert recommends adding a distribution list rather than a personal email address. A distribution list allows you to create a "non-expiring" email address to which you can add or remove people if necessary.

  2. Update your CertCentral account settings to send the verification DCV emails to Org/Tech/Admin contacts from DNS TXT.

    1. In CertCentral, in the left menu, go to Settings > Preferences.

    2. On the Preferences page, select Advanced Settings.

    3. In the Domain Control Validation (DCV) section under Send verification DCV emails to, select Org/Tech/Admin contacts from DNS TXT.

    4. Go to the bottom of the page and select Save Settings.

  3. See our instructions for Using the Email validation method to verify domain control on an OV/EV TLS certificate.

建構的電郵 DCV 方法

關於「建構的電郵」方法，DigiCert 將授權電郵傳送給網域的五個建構的電郵地址：admin、administrator、webmaster、hostmaster 和 postmaster @[domain_name]。

If we can't find an MX record for [domain_name], you another supported DCV methods to demonstrate control over the domain. See MX records (mail exchanger records).

Background

While registering a domain, you must provide contact information, such as administrative and technical contacts. Instead of using a personal email address, you can use one of the constructed email addresses for your domain, such as webmaster@yourdomain. Using a constructed email addresses allows you to create a "non-expiring" email address that you can add or remove people from if necessary.

MX 記錄 (郵件交換程式記錄)

在我們可以成功傳送驗證電郵 (DCV 電郵) 給網域擁有者 (或網域控制者) 前，我們必須驗證 MX 記錄 (在網域名稱系統 [DMS] 中的來源記錄) 存在收件者的網域名稱的 DNS 記錄中。存在有效的 MX 記錄讓我們可以傳送身份驗證電郵。

例如，您想要在 example.com、admin@example.com 其中一個建構的電郵地址收到您的 DCV 電郵。若要成功傳送 DCV 電郵給 admin@example.com，我們必須先找到該位址的 MX 記錄，識別伺服器 (例如 mailhost.example.com) 設定以接收目的地為 admin@example.com 的電郵

DNS TXT DCV 方法

將 DigiCert 產生的權杖 (提供給您的 CertCentral 帳戶中的網域) 新增到網域的 DNS 中作為 TXT 記錄。當 DigiCert 搜尋與網域關聯的 DNS TXT 記錄時，我們可以找到包括 DigiCert 驗證權杖所在的記錄。

請參閱使用 DNS TXT 驗證方法確認網域控制

DNS CNAME DCV 方法

If your domain has a CNAME record pointing to another domain (for example, yourdomain.com points to yourdomain.net), use this method to validate your domain.

To set up your domain's CNAME record, add the static prefix _dnsauth in the hostname field and [random_value].dcv.digicert.com as the CNAME target. Once DigiCert checks for a DNS CNAME record for your domain, we can find a record that includes the DigiCert-generated random value.

請參閱 使用 DNS CNAME 驗證方法確認網域控制。

HTTP Practical Demonstration DCV (HTTP 現實論證 DCV) 方法 (也稱為檔案或檔案驗證)

Use the HTTP Practical Demonstration DCV methods to demonstrate control over fully qualified domain names (FQDNs) exactly as named in the certificate request. To learn more, go to Domain Validation Policy Changes.

Validating IPv4 and IPv6 addresses

Per industry regulations, you must use the HTTP Practical Demonstration DCV method to demonstrate control over IPv4 and IPv6 addresses.

Use one of the other supported DCV methods to:

  • Validate wildcard domains, such as *.example.com.

  • Include subdomains in the validation while validating a higher-level domain. For example, if you want to cover www.example.com, mail.example.com, and one.example.com while validating the higher-level domain example.com.

  • Validate entire domains and subdomains.

HTTP Practical Demonstration

Host a file containing a DigiCert generated random value (provided for the domain in your CertCentral account) at a predetermined location on your website: http://{domain-name}/.well-known/pki-validation/fileauth.txt.

Once you create the file and place it on your site, DigiCert goes to the specified URL to confirm the presence of our random value.

See Use the HTTP Practical Demonstration DCV method to verify domain control.

HTTP Practical Demonstration with unique filename

Host a file with a random filename containing a DigiCert-generated random value at a predetermined location: http://{domain-name}/.well-known/pki-validation/{unique-filename}.txt.

Once you create and place the file on your site, DigiCert goes to the specified URL to confirm the presence of our random value.

See Use the HTTP Practical Demonstration with unique filename DCV method to verify domain control.

Warning

DV TLS certificates don’t support the HTTP Practical Demonstration with unique filename DCV method.

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