prepare for DNSSEC tests
prepare for DNSSEC tests

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