Episode 181: DNS and NTP Failures — Troubleshooting Name and Time Resolution
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Episode 181: DNS and NTP Failures — Troubleshooting Name and Time Resolution
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About this listen
DNS and NTP are often invisible—until they fail. This episode shows how to diagnose and fix issues with domain name resolution and time synchronization, both of which affect authentication, connectivity, and performance. You’ll learn how to use nslookup, dig, and ntpq to troubleshoot problems and interpret server behavior.
We also cover how expired DNS records, cache poisoning, NTP drift, and firewall blocks can wreak havoc silently. Fixing these problems requires awareness of both the protocol and the environment. This episode ensures you can spot and resolve these hidden causes of major disruptions.
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In the spirit of reconciliation, Audible acknowledges the Traditional Custodians of country throughout Australia and their connections to land, sea and community. We pay our respect to their elders past and present and extend that respect to all Aboriginal and Torres Strait Islander peoples today.