Optimise queries for rendering the about page

app/Models/Domain.php

@@ -139,10 +139,16 @@ class Domain extends Model
 			->get();
 	}
 
+	public function isManaged(): bool
+	{
+		return our_address()->pluck('zone.domain')->pluck('id')->contains($this->id);
+	}
+
 	/**
 	 * Determine if this zone is managed by this host
 	 *
 	 * @return bool
+	 * @deprecated use self::isManaged();
 	 */
 	public function managed(): bool
 	{