diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d2da305..13af740 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,6 +10,14 @@ jobs:
   build:
     runs-on: nix
     steps:
+      - name: Debug
+        run: |
+          cat /etc/hosts
+          curl -v https://heise.de
+          curl -v https://fh2.ch
+          curl -v https://git.qo.is
+          git clone https://git.qo.is/qo.is/infrastructure-private.git /tmp/private
+
       - name: Initialize CI
         uses: https://git.qo.is/qo.is/actions-nix-init@main
         with: