--- version: rssac002v3 service: j.root-servers.net start-period: '2019-04-11T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7359227558 dns-udp-queries-received-ipv6: 1081292703 dns-tcp-queries-received-ipv4: 529523984 dns-tcp-queries-received-ipv6: 69891337 dns-udp-responses-sent-ipv4: 6879398909 dns-udp-responses-sent-ipv6: 1039813176 dns-tcp-responses-sent-ipv4: 397192992 dns-tcp-responses-sent-ipv6: 51012623