--- version: rssac002v3 service: j.root-servers.net start-period: '2019-12-26T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8989831392 dns-udp-queries-received-ipv6: 1183942853 dns-tcp-queries-received-ipv4: 750152435 dns-tcp-queries-received-ipv6: 111698158 dns-udp-responses-sent-ipv4: 8183519932 dns-udp-responses-sent-ipv6: 1152461972 dns-tcp-responses-sent-ipv4: 537858617 dns-tcp-responses-sent-ipv6: 98143534