--- version: rssac002v3 service: j.root-servers.net start-period: '2021-10-16T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5427916193 dns-udp-queries-received-ipv6: 1084253625 dns-tcp-queries-received-ipv4: 427996266 dns-tcp-queries-received-ipv6: 75915392 dns-udp-responses-sent-ipv4: 5049265961 dns-udp-responses-sent-ipv6: 1076021354 dns-tcp-responses-sent-ipv4: 302624583 dns-tcp-responses-sent-ipv6: 76037201