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Understanding How DNS Servers and DNS Requests Work: A Complete Guide

Understanding How DNS Servers and DNS Requests Work: A Complete Guide

Discover how the Domain Name System (DNS) works behind the scenes. This detailed guide explains how DNS servers, resolvers, and queries translate human-friendly domain names into IP addresses — step by step, from browser to root and authoritative servers.

✅ [RESOLVED] AWS US-EAST-1 Outage: Full Post-Incident Report and Timeline

✅ [RESOLVED] AWS US-EAST-1 Outage: Full Post-Incident Report and Timeline

AWS confirms full recovery after the US-EAST-1 outage that began with a DynamoDB DNS failure and escalated into EC2 and load balancer impairments. Full timeline, analysis, and engineering lessons inside.

⚙️ AWS US-EAST-1 Outage: Full Technical Breakdown of Impacted Services

⚙️ AWS US-EAST-1 Outage: Full Technical Breakdown of Impacted Services

The disruption began with a DNS resolution failure, escalated into EC2 internal network issues, and peaked when an internal subsystem monitoring the health of AWS load balancers malfunctioned — causing false health signals and throttled instance launches.

🧠 AWS US-EAST-1 Outage Full Report: From DNS Resolution to EC2 Load Balancer Recovery

🧠 AWS US-EAST-1 Outage Full Report: From DNS Resolution to EC2 Load Balancer Recovery

A complete technical report on the October 20 AWS US-EAST-1 outage — from DNS failures and network degradation to the final recovery of EC2 and Lambda.

🧠 AWS US-EAST-1 Incident: Load Balancer Health System Recovery and Lambda Impact

🧠 AWS US-EAST-1 Incident: Load Balancer Health System Recovery and Lambda Impact

AWS continues recovery in US-EAST-1 after a load balancer health subsystem failure caused EC2 and Lambda errors. Engineers validate fixes as recovery progresses.

🌐 Understanding APIs: The Backbone of Cloud Services and How DNS Failures Can Bring Them Down

🌐 Understanding APIs: The Backbone of Cloud Services and How DNS Failures Can Bring Them Down

Learn how APIs power cloud services like AWS, how DNS failures can disrupt them, and what the October 2025 US-EAST-1 outage teaches about system resilience.