--- version: rssac002v3 service: j.root-servers.net start-period: '2019-12-29T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8892401167 dns-udp-queries-received-ipv6: 1175160132 dns-tcp-queries-received-ipv4: 785105230 dns-tcp-queries-received-ipv6: 122177937 dns-udp-responses-sent-ipv4: 8033380748 dns-udp-responses-sent-ipv6: 1145861340 dns-tcp-responses-sent-ipv4: 567593530 dns-tcp-responses-sent-ipv6: 110186016