diff --git a/SubSystems/Online_Cobalt/validation/cobalt/network/resolvconf.test b/SubSystems/Online_Cobalt/validation/cobalt/network/resolvconf.test
index d9133a8dc1a9cfd6fe69577271ef20054a20229b..3b0a75da3b2f73a1c7053f6e6bb25ec7fcbcf580 100755
--- a/SubSystems/Online_Cobalt/validation/cobalt/network/resolvconf.test
+++ b/SubSystems/Online_Cobalt/validation/cobalt/network/resolvconf.test
@@ -4,7 +4,7 @@ source $(dirname $0)/../../validation_utils.sh
 check_running_on_cobalt2
 
 # Check for the presence of the various LOFAR domains
-for DOMAIN in control.lofar
+for DOMAIN in infiniband.lofar online.lofar control.lofar
 do
   grep "^search.*\b$DOMAIN\b" /etc/resolv.conf || exit 1
 done