Azure DNS, NS1, Constellix, Comparison of Three International GeoDNS Service Providers
Recently DNSPod’s resolver server was down for a while, causing many DNSPod users’ websites to be inaccessible. This article will recommend several international GeoDNS services that provide 100% SLA and can be used to replace the unstable DNSPod. And describe ways to use multiple DNS providers to improve service availability. This article includes a compr..
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Cloudflare Argo And Railgun Comparison Test, The technology of CDN Acceleration
This website has always implemented foreign parsing to CloudFront for foreign acceleration. Recently, I saw that Cloudflare supports the new function Argo, so I put the foreign CDN from CloudFront. I switched to Cloudflare and turned on Argo to try the effect. Officials claim that TTFB (first byte latency) can be significantly reduced when there is no cach..
Read moreSome suggestions on website construction and service purchase
Building a website, building a software (or game) server, etc., may have many entanglements and pits. This article is based on my personal experience to help you choose the most suitable solution for you, as well as some suggestions, listed at the end Come out with some services that I recommend. Three Types Of ServicesIn general, the services that need to..
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Detailed Explanation of DNS Domain Name Resolution System - Basics
The mission of DNS (Domain Name Resolution System) is to serve the bottom layer of content related to domain names. Is the core component of a domain name (eg example.com). The vast majority of things related to domain names are inseparable from it. for example: Visit a website, usually by entering a domain name (eg https://www.example.com) Send mail, @ i..
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Implementing ECDSA/RSA Dual Certificate with Free Let's Encrypt
The software source that comes with Ubuntu 16.04.01 is Nginx 1.10.0, but there are bugs in the HTTP/2 module of this version of Nginx, [see here for details](https://imququ.com/post/nginx-http2 -post-bug.html). Now Nginx 1.12 Stable has been launched, just install the Stable version directly. Update 2018-06: If you are using Ubuntu 18.04 or later, the..
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How to configure for pure IPv6-Only network access
On May 4 this year, Apple began to require new applications to support IPv6 DNS64/NAT64 networks, which means that Apple began to push IPv6 networks, on Apple’s official website has introduced some advantages of IPv6, mainly to be more friendly to mobile networks, And can improve some performance, reduce some transmission overhead. Recently, I have al..
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A Few WordPress Optimization Suggestions
WordPress is the most popular content management system out there, and this site uses it. But for a fresh installation of WordPress, its performance is not very high, and when the traffic to the website suddenly increases, it is very important to optimize the performance. By implementing the following solutions, you can greatly improve the speed of WordPre..
Read moreComprehensive Comparison of DNS Services such as CloudXNS, Route 53, and Alibaba Cloud DNS
DNS ([Domain Name System](https://en.wikipedia.org/wiki/Domain Name System)) is a service of the Internet. It can point the domain name to an IP (server), so that you can access a website through the domain name. A website that can be accessed through a domain name requires a DNS server. This refers to the authoritative DNS used for the webmaster’s domain ..
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TL-PA500 power cat, deploy wireless LAN cluster
The power cat is a device that can replace the network cable with the wires in the home, realize the data transmission with the cable instead of the network cable, and solve the problem of not having all the network cables in the home. Of course, if you have a network cable, you don’t need it. The TL-PA500 is nominally a 500M power adapter. Since the netwo..
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