--- a/net/resolvers/service.lua	Tue Dec 07 16:23:23 2021 +0000
+++ b/net/resolvers/service.lua	Tue Dec 07 21:43:36 2021 +0100
@@ -34,7 +34,7 @@
 	end
 
 	if not self.hostname then
-		-- FIXME report IDNA error
+		self.last_error = "hostname failed IDNA";
 		cb(nil);
 		return;
 	end