diff --git a/Jenkinsfile b/Jenkinsfile
index 108c5fd..75c4569 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -30,7 +30,11 @@ spec:
         apk add --no-cache dnsmasq
         cat > /etc/dnsmasq.conf <<'EOF'
         filter-AAAA
+        # Use multiple upstream DNS servers to avoid transient resolver outages.
+        # Keep cluster DNS first for internal names, then fall back to public resolvers.
         server=10.43.0.10
+        server=1.1.1.1
+        server=8.8.8.8
         EOF
         dnsmasq
         echo "nameserver 127.0.0.1" > /etc/resolv.conf