--- version: rssac002v3 service: d.root-servers.net start-period: '2016-12-19T00:00:00Z' end-period: '2016-12-19T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4182207414 dns-udp-queries-received-ipv6: 714596356 dns-tcp-queries-received-ipv4: 71225419 dns-tcp-queries-received-ipv6: 7232476 dns-udp-responses-sent-ipv4: 4172364506 dns-udp-responses-sent-ipv6: 714341035 dns-tcp-responses-sent-ipv4: 71122547 dns-tcp-responses-sent-ipv6: 7232153