How the Domain Name System works and how DNS problems cause outages.
Your server can be running perfectly and visitors still can't reach it if DNS fails. Learn how DNS resolution works, the problems that cause outages, how to diagnose them and how to change records safely.
How the Domain Name System works and how DNS problems cause outages. Each guide is written by the UptimeStats editorial team to answer one practical question, with examples you can apply to your own website and links to primary sources such as RFCs and official documentation where they help.
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