diff --git a/README.md b/README.md
index 6d368e0..7abb003 100644
--- a/README.md
+++ b/README.md
@@ -1,12 +1,19 @@
 # DTSV Infrastructure build with Terraform
-The infrastructure consists one network, two instances and one volume.
+The infrastructure consists one network, two instances and one volume on [Hetzner Cloud](https://www.hetzner.com/cloud)
 
-**networks:**
+[**Networks**](./network.tf)
 * VPC (virtual-private-cloud)
 
-**instances:**
+[**Instances**](./instances.tf)
 * WEB (webserver)
 * DB (database-server)
 
-**volumes:**
+[**Volumes**](./volume.tf)
 * WEB (persistent webserver data)
+
+The Domain Registration Providers is [IONOS](https://www.ionos.com/domains)
+
+[**DNS**](./dns.tf)
+* twirling.de -> IONOS hosting
+* *.twirling.de -> IONOS hosting
+* cloud.twirling.de -> webserver