https://coredns.io/
https://github.com/coredns/coredns

https://coredns.io/manual/toc/
https://github.com/coredns/coredns.io/tree/master/content/manual

2017
https://www.linuxfoundation.org/press-release/cloud-native-computing-foundation/coredns-1-0-0-release/
    https://www.opennet.ru/opennews/art.shtml?num=47674