--- version: rssac002v3 service: j.root-servers.net start-period: '2021-08-19T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6317603284 dns-udp-queries-received-ipv6: 1447506215 dns-tcp-queries-received-ipv4: 465435188 dns-tcp-queries-received-ipv6: 103908663 dns-udp-responses-sent-ipv4: 5905341578 dns-udp-responses-sent-ipv6: 1444914396 dns-tcp-responses-sent-ipv4: 341260519 dns-tcp-responses-sent-ipv6: 104078286