--- version: rssac002v4 service: a.root-servers.net start-period: '2024-04-30T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8833948602 dns-udp-queries-received-ipv6: 1592701860 dns-tcp-queries-received-ipv4: 337661109 dns-tcp-queries-received-ipv6: 58159923 dns-udp-responses-sent-ipv4: 8668198812 dns-udp-responses-sent-ipv6: 1572351743 dns-tcp-responses-sent-ipv4: 321250600 dns-tcp-responses-sent-ipv6: 50243869