--- version: rssac002v4 service: a.root-servers.net start-period: '2024-02-29T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8191611155 dns-udp-queries-received-ipv6: 1817270692 dns-tcp-queries-received-ipv4: 492717834 dns-tcp-queries-received-ipv6: 49171906 dns-udp-responses-sent-ipv4: 7996980030 dns-udp-responses-sent-ipv6: 1788596455 dns-tcp-responses-sent-ipv4: 472920095 dns-tcp-responses-sent-ipv6: 40073608