dns

1 free lesson tagged dns across Computer Science. Each one is a short sequence of focused steps with narration and a five-question quiz at the end — take them in any order, no signup required.

Computer Science

intermediate

DNS, HTTP, and the Move to QUIC

Before a byte of HTTP moves, a name has to become an address. Follow the full resolution path from stub resolver to authoritative server, see how TTLs govern change, then trace head-of-line blocking from HTTP/1.1 through HTTP/2's TCP problem to HTTP/3 running on QUIC over UDP.

12 steps·~18 min

DNS, HTTP, and the Move to QUIC

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