eSignTrust Certification Services Maintenance Notification
2019-11-08 | General

Due to the maintenance scheduled on Sunday 10th November 2019 from 01:00 to 04:00, the provision of the following CTT eSignTrust services will be suspended. We apologize for any inconvenience caused.


The affected services included:

- Search for and Check the Status of an eSignTrust Certificate (including LDAP and OCSP)

- eSignTrust Certificate Revocation Service

- eSignTrust Mobile One Time Password (eMOTP) registration service


Should you have any enquiry, please feel free to contact us at TEL: 28330338, FAX: 82995515, EMAIL:


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