diff --git a/lib/hostname_validator.rb b/lib/hostname_validator.rb
new file mode 100644
index 0000000..399d290
--- /dev/null
+++ b/lib/hostname_validator.rb
@@ -0,0 +1,5 @@
+# Placeholer for hostname validation
+class HostnameValidator < ActiveModel::EachValidator
+  def validate_each(record, attribute, value)
+  end
+end