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UM IT Systems: networking/DNS maintenance

UM IT Systems · missouri.eduImpact: minorResolved2026-09-11 18:57 UTC
Public — what happened

Summary

We are performing urgent cross-system networking/DNS maintenance on our Active DIrectory domains, implementing additional security measures. This maintenance will occur between 1:45 and 2:30 PM with supervision and checks by representatives from all UM campuses and will be reverted swiftly if any issues are observed.

Timeline

Source of record: provider status page. Mirrored as reported; times in UTC.

Independent path health

The status page is the symptom. SquidGrid measures the paths that reach UM IT Systems against their own baselines — whether the routes carrying your traffic degraded, at which handoff, and who owns that stretch.

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