--- version: rssac002v3 service: j.root-servers.net start-period: '2019-03-26T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7173004532 dns-udp-queries-received-ipv6: 1041035921 dns-tcp-queries-received-ipv4: 468325122 dns-tcp-queries-received-ipv6: 71597157 dns-udp-responses-sent-ipv4: 6783719548 dns-udp-responses-sent-ipv6: 1001663590 dns-tcp-responses-sent-ipv4: 366524533 dns-tcp-responses-sent-ipv6: 53423567