--- version: rssac002v3 service: a.root-servers.net start-period: '2020-03-08T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7259938746 dns-udp-queries-received-ipv6: 1120338626 dns-tcp-queries-received-ipv4: 316736138 dns-tcp-queries-received-ipv6: 77564261 dns-udp-responses-sent-ipv4: 7043108670 dns-udp-responses-sent-ipv6: 1119048018 dns-tcp-responses-sent-ipv4: 310533946 dns-tcp-responses-sent-ipv6: 77970538