<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>CNAME on YHY Study Website</title><link>https://ryan.0412.online/en/tags/cname/</link><description>Recent content in CNAME on YHY Study Website</description><generator>Hugo</generator><language>en-US</language><lastBuildDate>Wed, 30 Sep 2026 21:25:01 +0800</lastBuildDate><atom:link href="https://ryan.0412.online/en/tags/cname/index.xml" rel="self" type="application/rss+xml"/><item><title>DNS Notes: Domain Lookups, Resource Records, and HTTPS Certificates</title><link>https://ryan.0412.online/en/blog/dns-cname-notes/</link><pubDate>Sat, 12 Sep 2026 00:00:00 +0000</pubDate><guid>https://ryan.0412.online/en/blog/dns-cname-notes/</guid><description>&lt;p&gt;When connecting a personal site to a custom domain, the console presents CNAME, A, and sometimes TXT records. These notes follow the process from the browser finding an IP address, through the purpose of each record type, to the point where HTTPS certificates enter the chain.&lt;/p&gt;
&lt;figure class="td-figure"&gt;
 &lt;img src="https://ryan.0412.online/blog/dns-cname-notes/cover.png" alt="DNS translates a name before reaching a locked server" width="1280" height="720" loading="lazy" decoding="async"&gt;&lt;figcaption&gt; &lt;span class="td-fig-caption"&gt;Name → DNS records → machine; TLS proves that the name belongs to the server&lt;/span&gt;&lt;/figcaption&gt;
&lt;/figure&gt;&lt;div class="td-callout td-callout--note" role="note"&gt;
 &lt;div class="td-callout__title"&gt;&lt;i class="td-callout__icon fa-solid fa-circle-info" aria-hidden="true"&gt;&lt;/i&gt;&lt;span class="td-callout__label"&gt;About the examples&lt;/span&gt;&lt;/div&gt;
 &lt;div class="td-callout__body"&gt;
&lt;p&gt;&lt;code&gt;0412.online&lt;/code&gt; and &lt;code&gt;ryan.0412.online&lt;/code&gt; are this site&amp;rsquo;s public domains. The CNAME target, verification string, and mail hostname are &lt;strong&gt;illustrative&lt;/strong&gt;.&lt;/p&gt;</description></item></channel></rss>