We would like to inform you that we will be performing maintenance on the security feature (DNS filtering) linked to the KUINS DNS server on the date and time below.

Due to the impact of this work, there may be instances where DNS name resolution takes time.

We apologize for any inconvenience this may cause and ask for your understanding and cooperation.

• Date and Time of Work: August 26, 2025, from 12:15 PM to 12:30 PM
• Target Device: 10.224.254.11
• Details of Work: Configuration changes to the linked security feature (DNS filtering) and a subsequent restart of the DNS service.
• Impact of Work: During the work period, the DNS name resolution may become unstable, and some users may experience delays in network access.