x2|x3|sy|so)
if [[ $(dig +short @10.2.0.1 -x 10.2.0.2 2>&1 ||:) == kd.b8.nz. ]] \
&& ip n show 10.2.0.1 | grep . &>/dev/null; then
x2|x3|sy|so)
if [[ $(dig +short @10.2.0.1 -x 10.2.0.2 2>&1 ||:) == kd.b8.nz. ]] \
&& ip n show 10.2.0.1 | grep . &>/dev/null; then