eSignTrust Certification Services Maintenance Notification
2021-07-02 | General

Due to the maintenance scheduled on Sunday 11th July 2021 from 08:30 to 21:00, the provision of the following CTT eSignTrust services might be unstable. We apologize for any inconvenience caused.


The affected services included:

- Search for and Check the Status of an eSignTrust Certificate

- eSignTrust Certificate Revocation Service

- Certificate Revocation List (CRL)

- eSignCloud Service

- eSignTrust Mobile One Time Password (eMOTP) registration service


Should you have any enquiry, please feel free to contact us at TEL: 2833 0338, FAX: 8299 5515, EMAIL:


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