Service Status

There are no scheduled maintenances.

No incidents reported today.

No incidents reported.

[Complete] CN-CAN-02 Server Node Network Upgrade

Complete: This maintenance is now complete.
2 Jun. 2023 06:00 (GMT+8)

Update: All visitors and users in China Mainland are now redirected to CN-CAN-01 server only.
1 Jun. 2023 21:30 (GMT+8)

Scheduled: Followed by a notice from the IDC (Internet Data Centre) of my CN-CAN-02 (Guangzhou, China) server node, the ISPs and IDC will upgrade the network devices around the server.
The maintenance will be from 2 Jun. 2023 00:00 to 06:00 (GMT+8, CST), from 1 Jun. 2023 17:00 to 23:00 (GMT+1, BST).
All users in China Mainland will be redirected to CN-CAN-01 server only during the maintenance period. This will not affect my services.
30 May 2023 12:10 (GMT+8)

No incidents reported.

[Fixed] New Users are Unable to Subscribe to Email Newsletter

Fixed: I have successfully fixed this issue.
31 May 2023 10:00 (GMT+8)

Identified: I have located the place of this issue. This is caused by my web servers failing to connect to the email system.
A fix is being implemented.
31 May 2023 09:55 (GMT+8)

Discovered: Today, I discovered that new users are unable to subscribe to Ken's Study Journey email newsletter. However, signing up for a Ken's Study Planner account is normal.
I am going to fix this issue in my free time.
31 May 2023 09:45 (GMT+8)

[Fixed] Email Unique Code on Ken's Study Planner is Not Displaying

Fixed: I have successfully fixed this issue.
30 May 2023 19:20 (GMT+8)

Identified: I have located the place of this issue. This is caused by my web servers failing to connect to the email unique code system.
A fix is being implemented.
30 May 2023 19:10 (GMT+8)

Discovered: Today, I discovered that the unique codes in Ken's Study Planner emails are not displaying normally.
I am going to fix this issue in my free time.
30 May 2023 18:55 (GMT+8)

[Complete] Ken's Study Planner Security Control System Update

Complete: This maintenance is now complete.
30 May 2023 16:40 (GMT+8)

Update: Due to the restriction of our school's network, Ken's Study Planner may be unusable for users outside China mainland (using SG-SIN or GB-LHR) servers for 1 to 2 minutes.
This is caused by the out-of-sync of files.
30 May 2023 16:25 (GMT+8)

Processing: The security control and logging modules are now being upgraded.
30 May 2023 16:20 (GMT+8)

Scheduled: I am going to upgrade the security control and logging systems on Ken's Study Planner to enhance its security further.
The maintenance will be on 30 May 2023 16:20 (GMT+8, CST) and 09:20 (GMT+1, BST).
Ken's Study Planner service will not be impacted normally. However, in the worst case, some features/modules may not function normally for 1 to 2 minutes.
30 May 2023 11:05 (GMT+8)

No incidents reported.

No incidents reported.

No incidents reported.

No incidents reported.

No incidents reported.

[Fixed] DNS Resolution Temporary Error for some Guangdong Users using China Mobile

Fixed: This issue has been automatically fixed. It is caused by temporary network instability on some ISP DNS servers.
No further issues are observed by Active Probes.
24 May 2023 14:35 (GMT+8)

Update: The results are looking good, with fewer cities still experiencing this issue.
Workaround: Change your DNS servers to following IP addresses: 114.114.114.114, 223.5.5.5, 240c::6666, 2400:3200::1, etc.
22 May 2023 20:40 (GMT+8)

Discovered: Recently, I discovered that some users in Guangdong Province using China Mobile are experiencing temporary DNS resolution error when accessing my services.
Users in Guangzhou, Foshan, Shenzhen and Dongguan cities, or using China Telecom or China Unicom ISPs, are not affected.
The ISP Active Probes will continue to monitor the real-time issue status.
22 May 2023 19:05 (GMT+8)

No incidents reported.

No incidents reported.