--- version: rssac002v3 service: j.root-servers.net start-period: '2021-06-11T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6280559253 dns-udp-queries-received-ipv6: 1373424364 dns-tcp-queries-received-ipv4: 543476879 dns-tcp-queries-received-ipv6: 98625393 dns-udp-responses-sent-ipv4: 5809362550 dns-udp-responses-sent-ipv6: 1363814935 dns-tcp-responses-sent-ipv4: 382210048 dns-tcp-responses-sent-ipv6: 96077189