--- version: rssac002v3 service: d.root-servers.net start-period: '2019-12-19T00:00:00Z' end-period: '2019-12-19T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8589684967 dns-udp-queries-received-ipv6: 1659370032 dns-tcp-queries-received-ipv4: 589406579 dns-tcp-queries-received-ipv6: 95280455 dns-udp-responses-sent-ipv4: 8589689067 dns-udp-responses-sent-ipv6: 1659317638 dns-tcp-responses-sent-ipv4: 589227433 dns-tcp-responses-sent-ipv6: 95144059