--- version: rssac002v3 service: j.root-servers.net start-period: '2019-04-24T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7557590311 dns-udp-queries-received-ipv6: 1191011634 dns-tcp-queries-received-ipv4: 610580669 dns-tcp-queries-received-ipv6: 72704987 dns-udp-responses-sent-ipv4: 6919968300 dns-udp-responses-sent-ipv6: 1146284571 dns-tcp-responses-sent-ipv4: 414229523 dns-tcp-responses-sent-ipv6: 51977400