--- version: rssac002v3 service: j.root-servers.net start-period: '2021-01-08T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6741894412 dns-udp-queries-received-ipv6: 1427718038 dns-tcp-queries-received-ipv4: 568785194 dns-tcp-queries-received-ipv6: 118142144 dns-udp-responses-sent-ipv4: 6243837212 dns-udp-responses-sent-ipv6: 1406810956 dns-tcp-responses-sent-ipv4: 408711362 dns-tcp-responses-sent-ipv6: 110049473