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Usar o método de validação CNAME de DNS para verificar o controle do domínio

Demonstre controle sobre o seu domínio com um registro DNS CNAME

Use these instructions to validate a domain using the DNS CNAME DCV method. In the domains DNS as a CNAME record, add _dnsauth in the hostname field. Then, add [random_value].dcv.digicert.com to the target host field, to point the random value and domain to DigiCert at dcv.digicert.com.

Verifique o status do seu pedido de certificado TLS/SSL e use o método DCV de Registro CNAME de DNS para demonstrar controle sobre um domínio no pedido. Para obter mais informações, consulte Demonstrar controle sobre domínios em seu pedido de certificado SSL.

Before you begin

For faster certificate issuance, validate domains before ordering your OV and EV TLS certificates. Learn more about domain prevalidation.

Acronyms used in this article: Domain Name System (DNS), Canonical Name (CNAME), Transport Security Layer (TLS), organization validation (OV), extended validation (EV)

Etapa 1: Verificar o status do seu pedido pendente

  1. Na sua conta CertCentral, vá para a página de detalhes do pedido Nº do pedido.

    1. In the left main menu, go to Certificates > Orders.

    2. On the Orders page, in the Order # column, select the certificate's order number link.

    3. For CertCentral Subscription accounts, the steps to access the Order # detail page are different.

      1. In the left menu, go to My Digital Trust Products > Certificates.

      2. On the Certificates page, in the Order # column, select the certificate's order number link.

  2. Na página de detalhes Nº do pedido, na seção Status do pedido, verifique o status de emissão do pedido (o pedido está aguardando validação do domínio ou da organização para ser concluído?).

    When validation is done the Certificate status section no longer appears on the Order # details page.

  3. Under What do you need to do, select the domain's link you want to validate.

  4. In the Prove control over domain window, in the Domain control validation (DCV) method menu, select DNS CNAME Record and then select Save.

  5. Under 2. Add the DigiCert provided token to your CNAME record, in the Order token box, copy the DigiCert-provided random value.

    The random value expires in 30 days.

  6. Create your DNS CNAME record.

    1. Go to your DNS provider’s site and create a new CNAME record.

      For more detailed instructions for creating or updating a DNS CNAME record, try the following resources:

      • Your DNS provider's documentation.

      • DigiCert knowledge base for articles like this one: Create a CNAME Record.

    2. In the hostname field (or equivalent), enter _dnsauth.

    3. In the record type field (or equivalent), select CNAME.

    4. In the target host field (or equivalent), enter [random_value].dcv.digicert.com to point the CNAME record to dcv.digicert.com.

    5. Select a Time-to-Live (TTL) value or use your DNS provider's default value.

    6. Save the record.

    Importante

    On October 28, 2025, DigiCert ended support for the [random_value] prefix DNS CNAME record configuration. To learn more about this change, see the October 28 change log entry.

  7. Complete domain validation.

    1. In CertCentral, go to the certificate's Order # details page.

      1. In the left menu, go to Certificate > Orders.

      2. On the Orders page, in the Order # column, select the certificate's order number link.

      For CertCentral Subscription accounts:

      1. In the left menu, go to My Digital Trust Products > Certificates.

      2. On the Certificates page, in the Order # column, select the certificate's order number link.

    2. On the Order # details page, in the Certificate status section, under What do you need to do, select the domain link.

    3. In the Prove control over domain window, under 5. Complete domain validation, select Check record.

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