--- version: rssac002v3 service: d.root-servers.net start-period: '2019-12-14T00:00:00Z' end-period: '2019-12-14T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7742255167 dns-udp-queries-received-ipv6: 1542624008 dns-tcp-queries-received-ipv4: 478039199 dns-tcp-queries-received-ipv6: 92095799 dns-udp-responses-sent-ipv4: 7742292203 dns-udp-responses-sent-ipv6: 1542590908 dns-tcp-responses-sent-ipv4: 477688129 dns-tcp-responses-sent-ipv6: 91990125