Tag: #anycast

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• A DNS Deep Dive — The Infrastructure Hidden Behind Names

  DNS is not a simple name tag but a vast distributed infrastructure that holds up the internet. From the hierarchy and recursive/authoritative resolution, record types, TTL and caching, Anycast and GeoDNS, to DNSSEC and D

  2026-06-29 · 22 min read #network#dns#anycast#cdn#infrastructure

• DNS in Depth — The World of Name Resolution That Free Hosting Revealed

  DNS is trending again. From recursion and authority to caching and TTL, global Anycast distribution, DNSSEC, and DoH/DoT, we take a deep look at the entire process of name resolution. As free DNS hosting becomes the norm

  2026-06-25 · 22 min read #network#dns#anycast#dnssec#doh

• The Complete DNS Guide — Resolvers, DNSSEC, DoH/DoT, Anycast, CoreDNS, and Everything Else (2025)

  Everything about DNS — the history of the name system that started with hosts.txt, query flow (stub to recursive to root to TLD to authoritative), record types (A/AAAA/CNAME/MX/TXT/NS/SOA/SRV/CAA/HTTPS/SVCB), EDNS0 and p

  2026-04-15 · 25 min read #dns#dnssec#doh#networking#security

• DNS Deep Dive — Resolution, Caching, DNSSEC, DoH/DoT, Anycast, and 1.1.1.1 Internals (2025)

  Trillions of times per day, yet most engineers understand DNS only superficially. This guide dissects DNS from first principles: hierarchical namespace, recursive/iterative resolution, caching and TTLs, record types (A/A

  2026-04-15 · 12 min read #dns#networking#dnssec#doh#anycast

• BGP Internet Routing Deep Dive 2025: AS, Peering, Path Selection, RPKI, Anycast — How the Internet Really Works

  How does the internet appear as "one"? A complete walkthrough of BGP, Autonomous Systems, Peering vs Transit, Path Selection, RPKI, and route hijacking defense — the routing machinery running behind the scenes.

  2026-04-15 · 14 min read #bgp#internet-routing#as#peering#rpki

• CDN and Edge Computing Deep Dive — Anycast, Cache Invalidation, DDoS Defense, Lambda@Edge vs Workers vs Compute

  From Akamai in 1998 to 2025 edge computing. The magic of Anycast, cache tier design, the philosophy of cache invalidation, the three-layer DDoS defense, and an architecture comparison of Lambda@Edge vs Cloudflare Workers

  2026-04-15 · 14 min read #cdn#edge-computing#cloudflare#akamai#fastly