CNAME Flattening

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This guide is going to share with you a brief overview of CNAME Flattening, whether or not your domain provider supports it, and what to do if it doesn't.

In short, it's a feature that allows you to add a 

 to your root / apex domain. Traditionally, you can only add 

 . However, there are some providers who now allow you to add 

Does my provider support CNAME Flattening?

Different providers implements CNAME Flattening in different ways, and they also call it with different names: 

You can easily check if there's a type for 

 on your domain provider, or check if you can make a 

My provider doesn't support CNAME Flattening, ANAME, or ALIAS. What should I do?

The easiest thing to do is to bring your domain into 

. Cloudflare is free and offers an array of other amazing features as well.

Once your domain is in Cloudflare, you can easily use their CNAME Flattening feature by simply adding a DNS record of type 

SyncBlock-86

<noscript><iframe src="https://www.googletagmanager.com/ns.html?id=GTM-WTZ8GQJR" height="0" width="0"
    style="display:none;visibility:hidden"></iframe></noscript>



<script>
  window.onload = () => {

    // ==== Update current query parameters to include `source` ====
    // Rewardful uses `via`, this isn't tracked in Plausible

    let params = new URL(document.location).searchParams;

    // ==== Update current query parameters to include `source` ====
    // Rewardful uses `via`, this isn't tracked in Plausible
    
    let newParams = new URL(document.location);
        let viaFound = false;
        let sourceFound = false;
        params.forEach((value, key) => {
          if (key === "via") {
            viaFound = true;
            newParams.searchParams.set("source", `via-${value}`);
          }
          if (key === "source") {
            sourceFound = true;
          }
        });
        if (viaFound && !sourceFound) {
          window.location = newParams.href;
        }

        // ==== Update utm_source for links that contains build TYPEDREAM_HREF ====
    // Get all links that contains build TYPEDREAM_HREF
    const TYPEDREAM_HREF = "typedream.com";
    const BUILD_TYPEDREAM_HREF = "build.typedream.com";
    Array.from(
      document.querySelectorAll(`[href*='${TYPEDREAM_HREF}']`)
    ).forEach((e) => {
      var href = e.getAttribute("href");
      var url = new URL(href);
      var urlParams = new URL(href).searchParams;
      params.forEach((value, key) => {
        // for PH, if there is ref=xxx change it to utm_source=xxx
        urlParams.set(key === 'ref' ? 'utm_source' : key, value);
      });
      url.search = urlParams;
      e.href = url.toString();

      // track conversion
      // if (e.href.includes(BUILD_TYPEDREAM_HREF)) {
      //  e.addEventListener('click', function() {gtag_report_conversion(e.href)})
      // }
    });

   Array.from(document.querySelectorAll(`[href^='/']`)).forEach((e) => {
      var href = e.getAttribute("href");
      href = `${window.location.protocol}//${window.location.host}${href}`;
      var url = new URL(href);
      var urlParams = new URL(href).searchParams;
      params.forEach((value, key) => {
        // for PH, if there is ref=xxx change it to utm_source=xxx
        urlParams.set(key === 'ref' ? 'utm_source' : key, value);
      });
      url.search = urlParams;
      e.href = url.toString();
    });


    // Make sticky table of contents
    var sibling = document.getElementById("sticky-sibling")
    if (sibling && sibling.nextSibling) {
      var toc = sibling.nextSibling
      toc.style.backgroundColor = 'red';
    }
  };

</script>





<script id="ze-snippet" src="https://static.zdassets.com/ekr/snippet.js?key=f871bdf7-2c33-4fbd-bb5d-7e7ab05bea84">
</script>




<script>
  const searchClient = algoliasearch(
        "SMJ4AJCZFI",
        "bdf124d4eb5f98cc467769a011fba85a"
      );

      const search = instantsearch({
        indexName: "help_typedream",
        searchClient
      });

      setTimeout(() => {
        search.addWidgets([
          instantsearch.widgets.searchBox({
            container: "#searchbox",
            searchAsYouType: false,
            placeholder: "Search for articles"
          }),
          instantsearch.widgets.hits({
            container: "#hits",
            templates: {
              item(hit, { html, components }) {
                return html`
                  <a
                    class="search-hit-row-link"
                    href=${hit.link}
                    target="_blank"
                  >
                    <div class="search-hit-row">
                      <h2>
                        ${components.Highlight({ attribute: "name", hit })}
                      </h2>
                      <p>${hit.description}</p>
                    </div>
                  </a>
                `;
              },
              empty(results, { html }) {
                return html`<div class="search-empty ais-InfiniteHits-item">
                  No results for <q>${results.query}</q>
                </div>`;
              },
              showMoreText(data, { html }) {
                return html`<span class="search-showmore">Show more</span>`;
              }
            }
          })
        ]);

        // Conditionally display the hits widget only when a search query is entered
        search.on("render", () => {
          const hitsContainer = document.querySelector("#hits");
          if (search.helper.state.query === "") {
            hitsContainer.style.display = "none";
          } else {
            hitsContainer.style.display = "block";
          }
        });

        search.start();
      }, 500);
</script>

CNAME Flattening

What is CNAME Flattening?

Does my provider support CNAME Flattening?

My provider doesn't support CNAME Flattening, ANAME, or ALIAS. What should I do?