plugin/cache: Document actual cache defaults (#2249)
plugin/cache: Document actual cache defaults (#2249)



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