Make empty config usable
Make empty config usable

loveshell/skydns,nicescale/skydns,AdoHe/skydns,tonicbupt/skydns,skynetservices/skydns,vinhhrv/skydns,no2key/skydns,weekface/skydns,zvelo/zvelo-skydns,netf/skydns,erimatnor/skydns-kubernetes,tuannvm/skydns,ZeaLoVe/skydns,hw-qiaolei/skydns,andrewrothstein/skydns,yonglehou/skydns,smarterclayton/skydns,zhang0137/skydns