--- version: rssac002v3 service: j.root-servers.net start-period: '2019-09-12T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7560951396 dns-udp-queries-received-ipv6: 1570945815 dns-tcp-queries-received-ipv4: 649901204 dns-tcp-queries-received-ipv6: 205770654 dns-udp-responses-sent-ipv4: 6893094654 dns-udp-responses-sent-ipv6: 1394771779 dns-tcp-responses-sent-ipv4: 436386083 dns-tcp-responses-sent-ipv6: 120729175