--- version: rssac002v3 service: a.root-servers.net start-period: '2020-04-03T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8880717641 dns-udp-queries-received-ipv6: 1490902131 dns-tcp-queries-received-ipv4: 310311717 dns-tcp-queries-received-ipv6: 120737442 dns-udp-responses-sent-ipv4: 8627666531 dns-udp-responses-sent-ipv6: 1481862549 dns-tcp-responses-sent-ipv4: 305851811 dns-tcp-responses-sent-ipv6: 120873039