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ThousandEyes analysis of the outage: https://www.thousandeyes.com/blog/zoom-outage-analysis-april-16-2025 https://www.thousandeyes.com/blog/zoom-outage-analysis

• bo1024 1y ago
  Thanks, this is really helpful. I had not even realized that every DNS query for .us (for example) goes through a single root registry before going to the actual nameservers.
  • hanikesn 1y ago
    It's usually cached
• gwbas1c 1y ago
  The article lists a lot of facts, but it doesn't actually explain what happened. IE, it explains what DNS is, but it doesn't explain why the outage happened. Instead, it merely gives a timeline with a lot of context that's useful for someone who's still learning about what DNS is and how it works.