--- version: rssac002v4 service: a.root-servers.net start-period: '2023-03-03T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7153970811 dns-udp-queries-received-ipv6: 2705919710 dns-tcp-queries-received-ipv4: 437614494 dns-tcp-queries-received-ipv6: 435252251 dns-udp-responses-sent-ipv4: 6603617536 dns-udp-responses-sent-ipv6: 2378406887 dns-tcp-responses-sent-ipv4: 369416271 dns-tcp-responses-sent-ipv6: 407633404