--- version: rssac002v3 service: j.root-servers.net start-period: '2021-03-09T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6944238687 dns-udp-queries-received-ipv6: 1413376105 dns-tcp-queries-received-ipv4: 583939377 dns-tcp-queries-received-ipv6: 102097482 dns-udp-responses-sent-ipv4: 6416704684 dns-udp-responses-sent-ipv6: 1403045171 dns-tcp-responses-sent-ipv4: 407966947 dns-tcp-responses-sent-ipv6: 98783044