--- version: rssac002v4 service: d.root-servers.net start-period: 2021-04-07T00:00:00Z end-period: 2021-04-07T23:59:59Z metric: traffic-volume dns-udp-queries-received-ipv4: 6199525350 dns-udp-queries-received-ipv6: 1844723661 dns-tcp-queries-received-ipv4: 207449055 dns-tcp-queries-received-ipv6: 104578436 dns-udp-responses-sent-ipv4: 6199480195 dns-udp-responses-sent-ipv6: 1844688854 dns-tcp-responses-sent-ipv4: 207250191 dns-tcp-responses-sent-ipv6: 104512113