James Guo (@ZE3kr)

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DevelopmentSafetyDNS

Introduction to DNSSEC, How Signatures Work

Continuing the previous Detailed Explanation of Domain Name Resolution System - Basics, DNSSEC is a set of solutions that make Domain Name Resolution System (DNS) more secure . In 1993, the IETF launched a public discussion on how to make the DNS more trustworthy, culminating in an extension to DNS, DNSSEC, which was officially released in 2005. However, i..

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DevelopmentWebsiteCDNWordPressDNS

Comparison of Several Full-Site CDNs

Configuring a site-wide CDN can cache HTML pages and speed up time to first page load. This article focuses on WordPress site-wide caching, solutions for mixing domestic and international CDNs, and the correct way to cache pages on CDNs. This article mainly introduces CloudFront, and also compares several CDNs such as Cloudflare, Youpaiyun, Baidu Cloud Acc..

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DevelopmentDNSVPS

Self-built PowerDNS GeoDNS Server

Lately I’ve grown more and more into building things myself, like GitLab. Today, I changed the DNS server to a self-built one, and shared my experience (PS: Now in order to realize the root domain CDN, I used Route 53 instead): The self-built DNS in this article refers to the authoritative DNS, that is, the DNS configured for your own domain name, not the ..

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