--- version: rssac002v3 service: j.root-servers.net start-period: '2019-03-25T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6988226815 dns-udp-queries-received-ipv6: 1049799750 dns-tcp-queries-received-ipv4: 456699335 dns-tcp-queries-received-ipv6: 98382949 dns-udp-responses-sent-ipv4: 6597026948 dns-udp-responses-sent-ipv6: 984620828 dns-tcp-responses-sent-ipv4: 360111370 dns-tcp-responses-sent-ipv6: 66978837