Update provider-specific info in custom domain docs (#886)

* add provider-specific settings section

* use accordions

Author: ethanpalm

settings/custom-domain.mdx

@@ -7,16 +7,15 @@ icon: "globe"
 To set up your documentation on a custom domain, you'll need to set your desired custom domain in your Mintlify settings and configure your DNS settings on your domain provider.
 
 <Info>
-  Looking to set up a custom subdirectory like mintlify.com/docs? Find
-  instructions [here](/advanced/subpath/cloudflare).
+  Looking to set up a custom subdirectory like `mintlify.com/docs`? See the [custom subdirectory](/advanced/subpath/cloudflare) docs.
 </Info>
 
-## Dashboard Settings
+## Dashboard settings
 
-1. Head over to the [dashboard](https://dashboard.mintlify.com)
-2. Click on "Settings".
-3. Click on "Custom Domain".
-4. Enter your desired custom domain. For example, `docs.mintlify.com`.
+1. Navigate to your [dashboard](https://dashboard.mintlify.com)
+2. Select **Settings**
+3. Select **Domain Setup**
+4. Enter your desired custom domain. For example, `docs.mintlify.com`
 
 <Frame>
   <img
@@ -31,10 +30,6 @@ To set up your documentation on a custom domain, you'll need to set your desired
   />
 </Frame>
 
-## Verification with Vercel
-
-If Vercel happens to be your domain provider, you will have to add a verification `TXT` record. This information will show on your dashboard after submitting your custom domain, as well as be emailed to you.
-
 ## Configuring your DNS
 
 1. Proceed to your domain's DNS settings on your domain provider's website.
@@ -48,6 +43,14 @@ CNAME | docs | cname.vercel-dns.com.
   <img alt="DNS" src="https://mintlify-assets.b-cdn.net/mintlify-dns.png" />
 </Frame>
 
-If you are using Cloudflare for your DNS provider, you'll need to have the “full strict” security option enabled for the https setting.
+## Provider-specific settings
+
+<AccordionGroup>
+  <Accordion title="Vercel verification">
+    If Vercel is your domain provider, you must add a verification `TXT` record. This information will show on your dashboard after submitting your custom domain, as well as be emailed to you.
+  </Accordion>
 
-Please [contact support](mailto:[email protected]) if you don't see the custom domain set up after the above configuration.
+  <Accordion title="Cloudflare security settings">
+    If Cloudflare is your DNS provider, you must enable the "full strict" security option for the https setting.
+  </Accordion>
+</AccordionGroup>