DV証明書の更新
注記
Industry standards change: End of 397-day maximum validity public TLS/SSL certificates
On February 24, 2026, DigiCert stopped issuing 397-day public DV, OV, and EV TLS/SSL and Qualified Website Authentication Certificates (QWAC) and QWAC PSD2 certificates. The new maximum TLS/SSL certificate validity is 199 days.
Learn more about the end of 397-day maximum validity public TLS/SSL certificates.
DV証明書は簡単に更新できます。
更新する必要がある証明書を特定します。
新しいCSRを作成します。サポートが必要ですか？「CSR（証明書署名要求）を生成する」を参照してください。
証明書の更新フォームに記入して、更新申請を送信します。
注記
DV証証明書は、ドメインの事前検証をサポートしません。DV証明書を更新するときは、更新オーダー上のドメインに対する利用権を証明する必要があります。
October 21, 2022
CertCentral: Ability to require an additional email on certificate request forms
We are happy to announce that you can now make the Additional emails field a required field on CertCentral, Guest URL, and Guest Access request forms.
Tired of missing important expiring certificate notifications because the certificate owner is on vacation or no longer works for your organization?
The change helps prevent you from missing important notifications, including order renewal and expiring certificate notifications when the certificate owner is unavailable.
See for yourself:
To change this setting for CertCentral request forms:
In the left menu, go to Settings > Preferences.
On the Preferences page, expand Advanced settings.
In the Certificate Requests section, under Additional email field, select Required so requestors must add at least one additional email to their requests.
Select Save Settings.
To change this setting for Guest Access:
In the left main menu, go to Account > Guest Access.
On the Guest access page, in the Guest access section, under Additional emails, select Required so requestors must add at least one additional email to their requests.
Select Save Settings.
To change this setting for Guest URLs:
In the left main menu, go to Account > Guest Access.
On the Guest access page, in the Guest URLs section, to make it required in an existing guest URL, select the name of the guest URL. Under Emails, check Require additional emails field so requestors must add at least one additional email to their requests.
To make it required on a new guest URL, select Add Guest URL and then under Emails, check Require additional emails field so requestors must add at least one additional email to their requests.
Select Save Settings.