diff --git a/app/Services/InstanceService.php b/app/Services/InstanceService.php
new file mode 100644
index 000000000..8b504d77f
--- /dev/null
+++ b/app/Services/InstanceService.php
@@ -0,0 +1,30 @@
+<?php
+
+namespace App\Services;
+
+use Cache;
+use App\Instance;
+
+class InstanceService
+{
+	public static function getBannedDomains()
+	{
+		return Cache::remember('instances:banned:domains', now()->addHours(12), function() {
+			return Instance::whereBanned(true)->pluck('domain')->toArray();
+		});
+	}
+
+	public static function getUnlistedDomains()
+	{
+		return Cache::remember('instances:unlisted:domains', now()->addHours(12), function() {
+			return Instance::whereUnlisted(true)->pluck('domain')->toArray();
+		});
+	}
+
+	public static function getNsfwDomains()
+	{
+		return Cache::remember('instances:auto_cw:domains', now()->addHours(12), function() {
+			return Instance::whereAutoCw(true)->pluck('domain')->toArray();
+		});
+	}
+}