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-rw-r--r--lib/custodian/protocoltest/dns.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/custodian/protocoltest/dns.rb b/lib/custodian/protocoltest/dns.rb
index 3ac75a4..d491633 100644
--- a/lib/custodian/protocoltest/dns.rb
+++ b/lib/custodian/protocoltest/dns.rb
@@ -1,3 +1,4 @@
+require 'resolv'
#
# The DNS-protocol test.