--- version: rssac002v3 service: j.root-servers.net start-period: '2019-06-16T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7397111365 dns-udp-queries-received-ipv6: 1233898700 dns-tcp-queries-received-ipv4: 547214512 dns-tcp-queries-received-ipv6: 80986026 dns-udp-responses-sent-ipv4: 6777584160 dns-udp-responses-sent-ipv6: 1185011345 dns-tcp-responses-sent-ipv4: 397356128 dns-tcp-responses-sent-ipv6: 57393272