Revert "add"
Revert "add"

This reverts commit 6416925ace81bfa0c0845af61ded8b3d34511a1d.

jremond/coredns,ii/coredns,coredns/coredns,ii/coredns,chrisohaver/coredns,miekg/coredns,johnbelamaric/coredns,jremond/coredns,miekg/coredns,yongtang/coredns,johnbelamaric/coredns