--- version: rssac002v3 service: j.root-servers.net start-period: '2020-06-29T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 10064875831 dns-udp-queries-received-ipv6: 1550947677 dns-tcp-queries-received-ipv4: 764243982 dns-tcp-queries-received-ipv6: 122723314 dns-udp-responses-sent-ipv4: 9308705316 dns-udp-responses-sent-ipv6: 1519735677 dns-tcp-responses-sent-ipv4: 532856350 dns-tcp-responses-sent-ipv6: 113197942