--- version: rssac002v3 service: a.root-servers.net start-period: '2020-05-05T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7967196707 dns-udp-queries-received-ipv6: 1490562801 dns-tcp-queries-received-ipv4: 332251658 dns-tcp-queries-received-ipv6: 107026598 dns-udp-responses-sent-ipv4: 7739253061 dns-udp-responses-sent-ipv6: 1476531685 dns-tcp-responses-sent-ipv4: 326704569 dns-tcp-responses-sent-ipv6: 104353736