DNSimple incident

Elevated SERVFAILS for ALIAS records in SV1 region

Resolved after 5 hours 58 minutes, on May 8, 2025.

resolved May 08, 2025, 08:47 PM UTC

All issues have been resolved and there should be no further delays in ALIAS record resolution.

Started
May 08, 2025, 02:49 PM UTC
Resolved
May 08, 2025, 08:47 PM UTC
Duration
5h 58m
Detected by Pingoru
May 08, 2025, 02:49 PM UTC

Update timeline

  1. investigating May 08, 2025, 02:49 PM UTC

    We are seeing elevated rates of timeouts in ALIAS record resolution in SV1. This is leading to SERVFAIL responses for some ALIAS records.

  2. identified May 08, 2025, 03:36 PM UTC

    We have identified the cause of the elevated timeouts affecting our San Jose datacenter. The issue appears to be related to upstream packet loss. We are working with our provider to resolve it.

  3. monitoring May 08, 2025, 06:23 PM UTC

    We have identified the networking issues and implemented a workaround to prevent slow replies for ALIAS records. We are monitoring network health and looking to Implement further improvements if necessary

  4. resolved May 08, 2025, 08:47 PM UTC

    All issues have been resolved and there should be no further delays in ALIAS record resolution.

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