--- version: rssac002v3 service: a.root-servers.net start-period: '2020-06-04T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8016724257 dns-udp-queries-received-ipv6: 1668048018 dns-tcp-queries-received-ipv4: 270900164 dns-tcp-queries-received-ipv6: 102405640 dns-udp-responses-sent-ipv4: 7800243156 dns-udp-responses-sent-ipv6: 1666430933 dns-tcp-responses-sent-ipv4: 255661688 dns-tcp-responses-sent-ipv6: 102839649