--- version: rssac002v3 service: j.root-servers.net start-period: '2021-08-02T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6475838789 dns-udp-queries-received-ipv6: 1647066517 dns-tcp-queries-received-ipv4: 596360283 dns-tcp-queries-received-ipv6: 254391429 dns-udp-responses-sent-ipv4: 5985721863 dns-udp-responses-sent-ipv6: 1634507947 dns-tcp-responses-sent-ipv4: 429558845 dns-tcp-responses-sent-ipv6: 260416314