--- version: rssac002v3 service: d.root-servers.net start-period: '2018-01-09T00:00:00Z' end-period: '2018-01-09T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3621160258 dns-udp-queries-received-ipv6: 546993297 dns-tcp-queries-received-ipv4: 83138239 dns-tcp-queries-received-ipv6: 12504876 dns-udp-responses-sent-ipv4: 3620034771 dns-udp-responses-sent-ipv6: 546789070 dns-tcp-responses-sent-ipv4: 83093242 dns-tcp-responses-sent-ipv6: 12501669