--- version: rssac002v3 service: d.root-servers.net start-period: '2017-12-16T00:00:00Z' end-period: '2017-12-16T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4760784408 dns-udp-queries-received-ipv6: 518978086 dns-tcp-queries-received-ipv4: 80943071 dns-tcp-queries-received-ipv6: 11690585 dns-udp-responses-sent-ipv4: 4759026097 dns-udp-responses-sent-ipv6: 518814913 dns-tcp-responses-sent-ipv4: 80890849 dns-tcp-responses-sent-ipv6: 11688230