--- version: rssac002v3 service: j.root-servers.net start-period: '2019-04-20T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6914455851 dns-udp-queries-received-ipv6: 1202358417 dns-tcp-queries-received-ipv4: 558698672 dns-tcp-queries-received-ipv6: 73929841 dns-udp-responses-sent-ipv4: 6418660397 dns-udp-responses-sent-ipv6: 1159922094 dns-tcp-responses-sent-ipv4: 420073636 dns-tcp-responses-sent-ipv6: 54507706