--- version: rssac002v3 service: d.root-servers.net start-period: '2019-01-16T00:00:00Z' end-period: '2019-01-16T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6549743715 dns-udp-queries-received-ipv6: 1585415724 dns-tcp-queries-received-ipv4: 242302147 dns-tcp-queries-received-ipv6: 109676455 dns-udp-responses-sent-ipv4: 6549708868 dns-udp-responses-sent-ipv6: 1585289390 dns-tcp-responses-sent-ipv4: 241628619 dns-tcp-responses-sent-ipv6: 109524059