networking basics

Learn how to benchmark internet speed accurately, interpret latency-under-load, spot bufferbloat, and choose the right tool for real network diagnostics.

Traceroute maps network paths in a snapshot while MTR adds continuous latency and loss statistics. Learn how both tools work and when to use each.

Digtrace explains which DNS checker features actually matter: propagation depth, DMARC validation, bulk APIs, and future-ready automation.

DNS is the system that turns domain names into IP addresses. Here's how it actually works, what the common record types do, and why it matters for performance.