--- version: rssac002v3 service: d.root-servers.net start-period: '2018-12-18T00:00:00Z' end-period: '2018-12-18T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6301672845 dns-udp-queries-received-ipv6: 1444738850 dns-tcp-queries-received-ipv4: 385796068 dns-tcp-queries-received-ipv6: 37385977 dns-udp-responses-sent-ipv4: 6301729718 dns-udp-responses-sent-ipv6: 1444645680 dns-tcp-responses-sent-ipv4: 385492042 dns-tcp-responses-sent-ipv6: 37364697