#DNS

Domain Name System resolution, records, and DNS in distributed architectures.

2 Articles

Articles

DNS Records: The Complete Production Guide for Backend Engineers

System Design•Mar 2•11 min read

DNS Records: The Complete Production Guide for Backend Engineers

Every DNS record type for production: A, CNAME, MX, TXT, CAA, SRV. TTL failover math, SPF/DKIM/DMARC, GeoDNS, and DNSSEC.

BackendBytes Engineering Team

What Happens When You Type a URL: The Complete Production Guide

Backend Engineering

Backend Engineering•Jan 28•9 min read

What Happens When You Type a URL: The Complete Production Guide

Request lifecycle from DNS through TCP, TLS, CDN, and load balancing — with production latency debugging at every layer.

BackendBytes Engineering Team