bootstrapper: tie up all dns related services
diff --git a/core/dns-challenge-solver/.gitignore b/core/dns-challenge-solver/.gitignore
new file mode 100644
index 0000000..a375168
--- /dev/null
+++ b/core/dns-challenge-solver/.gitignore
@@ -0,0 +1,2 @@
+dns-challenge-solver
+dns-challenge-solver*
\ No newline at end of file