diff --git a/global-conf.sh b/global-conf.sh
index d625f1e3d2750e3739adcea2d0c889b40263b839..7ac181b47859504be41d19cf79386aa262f15342 100644
--- a/global-conf.sh
+++ b/global-conf.sh
@@ -79,6 +79,8 @@ NETWORK_DNS1=0
 NETWORK_DNS2=0
 NETWORK_MASK=0
 NETWORK_GATEWAY=0
+# define this if IP is NATed
+NETWORK_IP_NAT=0
 # proxy
 PROXY_HTTP=
 PROXY_HTTPS=
diff --git a/tests/test_dns_records.py b/tests/test_dns_records.py
index 1d593fe33e42de7c6d4a5a3cb9d5b53f025055c3..066069a230af2d1d42a97a39e8de115eca634e29 100755
--- a/tests/test_dns_records.py
+++ b/tests/test_dns_records.py
@@ -53,7 +53,7 @@ if os.path.isfile('../utils.py'):
     es_utils = imp.load_source('es_utils', '../utils.py')
     conf = es_utils.load_conf()
 
-    ip = conf.get('NETWORK_IP')
+    ip = conf.get('NETWORK_IP_NAT') or conf.get('NETWORK_IP')
 
     conf_resolvers_keys = (
         'NETWORK_DNS1',