--- version: rssac002v3 service: j.root-servers.net start-period: '2021-10-10T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5329480321 dns-udp-queries-received-ipv6: 1086816664 dns-tcp-queries-received-ipv4: 410841587 dns-tcp-queries-received-ipv6: 80121101 dns-udp-responses-sent-ipv4: 4997019748 dns-udp-responses-sent-ipv6: 1076110476 dns-tcp-responses-sent-ipv4: 299184696 dns-tcp-responses-sent-ipv6: 79862964