diff --git a/.build.yml b/.build.yml
index 18fcc2a..1cebf4d 100644
--- a/.build.yml
+++ b/.build.yml
@@ -28,8 +28,5 @@ tasks:
       cd seirdy.one
       export PATH=~/bin:$PATH
       # quick health + ip check
-      curl -6 --proto "=https" --proto-default https --http2 -siSL --tlsv1.3 --cert-status 'seirdy.one/ip'
-      echo
-      curl -4 --proto "=https" --proto-default https --http2 -sSL --tlsv1.3 --cert-status 'seirdy.one/ip'
-      echo
+      sh scripts/connectivity-check.sh
       bmake deploy-prod deploy-onion
diff --git a/scripts/connectivity-check.sh b/scripts/connectivity-check.sh
new file mode 100644
index 0000000..a106530
--- /dev/null
+++ b/scripts/connectivity-check.sh
@@ -0,0 +1,17 @@
+#!/bin/sh
+set -e -u
+
+alias curl_cmd=curl --proto "=https" --proto-default https --http2 -siSL --tlsv1.3 --cert-status
+
+ipv6_success=1
+ipv4_success=1
+
+curl_cmd -6 'seirdy.one/ip' || ipv6_success=0
+echo
+curl_cmd -4 'seirdy.one/ip' || ipv4_success=0
+echo
+
+if [ "$ipv6_success" = 0 ] && [ "$ipv4_success" = 0 ]; then
+	echo "Failed to connect"
+	exit 1
+fi