Oh, my first contribution to #coredns were merged! Uses #dnsflagday 2020 value for #EDNS0 finally.
Yesterday we have found relatively major breakage of #EDNS0 usage in #coredns. Unlike traditional implementations like #bind9 it doesn't use it by default. As a core #dns component in #openshift, it is surprising how badly 15+ years old RFC were understood.
#edns0 #coredns #bind9 #dns #openshift