diff --git a/appveyor.yml b/appveyor.yml
index c953242..b4e7606 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -2,9 +2,14 @@ environment:
   global:
     CYG_ROOT: C:\cygwin
     CYG_BASH: C:\cygwin\bin\bash
+    CYG_MIRROR: http://cygwin.mirror.constant.com
+    CYG_CACHE: C:\cygwin\var\cache\setup
 
 os: unstable
 
+cache:
+    - '%CYG_CACHE%'
+
 platform:
   - Win32
 
@@ -13,15 +18,17 @@ test: off
 init:
   - git config --global core.autocrlf input
 
+install:
+    - ps: 'Start-FileDownload "http://cygwin.com/setup-x86.exe" -FileName "setup-x86.exe"'
+    - 'setup-x86.exe --quiet-mode --no-shortcuts --only-site --root "%CYG_ROOT%" --site "%CYG_MIRROR%" --local-package-dir "%CYG_CACHE%" --packages bind,netcat > NUL 2>&1'
+    - '%CYG_BASH% -lc "cygcheck -dc cygwin"'
+
 build_script:
   - '%CYG_BASH% -lc "cd $APPVEYOR_BUILD_FOLDER; exec 0</dev/null; make"'
   - '%CYG_BASH% -lc "cd $APPVEYOR_BUILD_FOLDER; exec 0</dev/null; cygstart --hide ./udpxd -l 127.0.0.1:53 -d 100.73.46.80:53 -V -f"'
   - '%CYG_BASH% -lc "cd $APPVEYOR_BUILD_FOLDER; exec 0</dev/null; cygstart --hide ./udpxd -l [::1]:53 -d 100.73.46.80:53 -V -f"'
   - '%CYG_BASH% -lc "cd $APPVEYOR_BUILD_FOLDER; exec 0</dev/null; sleep 30"'
-  - 'nslookup www.google.de 127.0.0.1'
-  - 'nslookup www.google.de ::1'
-  - '%CYG_BASH% -lc "cd $APPVEYOR_BUILD_FOLDER; exec 0</dev/null; dig"'
-  - '%CYG_BASH% -lc "cd $APPVEYOR_BUILD_FOLDER; exec 0</dev/null; host"'
-  - '%CYG_BASH% -lc "cd $APPVEYOR_BUILD_FOLDER; exec 0</dev/null; nc -h"'
+  - 'dig www.google.de soa @127.0.0.1'
+  - 'dig www.google.de soa @::1'