diff --git a/Types/PSJekyll.Site/set_Domain.ps1 b/Types/PSJekyll.Site/set_Domain.ps1
new file mode 100644
index 0000000..37e3998
--- /dev/null
+++ b/Types/PSJekyll.Site/set_Domain.ps1
@@ -0,0 +1,17 @@
+<#
+.SYNOPSIS
+    Sets the domain name of the site.
+.DESCRIPTION
+    Sets the domain name of the Jekyll site.  
+    
+    This will create a CNAME file in the root of the site.
+#>
+param([string]$cname)
+$cNamePath = Join-Path $this.Directory "CNAME"
+New-Item -ItemType File -Path $cNamePath -Force -Value $cname
+$tryToResolveCName = try {
+    [Net.Dns]::Resolve($cname)
+} catch {
+    Write-Warning "Could not resolve the domain name '$cname'."
+}
+