[FINISHED] Emergency Maintenance Work on Keio University's DNS cache servers (March 4)
March 4, 2025
To Users
Emergency Maintenance Work on Keio University's DNS cache servers (March 4)
（PUBLISHED: Mar. 4, 2025）
（MODIFIED: Mar. 4, 2025 Finished）
Today's scheduled work has been completed. Thank you for your cooperation. (8:30p.m., March 4)
We will be conducting urgent maintenance work on Keio University's DNS cache servers as outlined below.
[Emergency Maintenance Work on DNS cache servers]
Date & Time: Tuesday, March 4, 2025, 6:00 p.m. – 7:00 p.m.
Affected System: Keio University's DNS cache servers (authoritative DNS servers are not affected)
Details: Urgent maintenance work on the Keio University's DNS cache servers.
Impact: Each DNS cache server (kogwy.cc, ns.mita, ns.hc, ns.sc, ns.st) will experience downtime of approximately 5 to 7 minutes.
Note: If your server or client is configured to reference multiple DNS servers, no impact is expected.
Affected System: Keio University's DNS cache servers (authoritative DNS servers are not affected)
Details: Urgent maintenance work on the Keio University's DNS cache servers.
Impact: Each DNS cache server (kogwy.cc, ns.mita, ns.hc, ns.sc, ns.st) will experience downtime of approximately 5 to 7 minutes.
Note: If your server or client is configured to reference multiple DNS servers, no impact is expected.
We apologize for any inconvenience this may cause and appreciate your understanding and cooperation.
Last-Modified: March 6, 2025
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