--- version: rssac002v4 service: a.root-servers.net start-period: '2023-07-19T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6604212368 dns-udp-queries-received-ipv6: 1597423460 dns-tcp-queries-received-ipv4: 332397313 dns-tcp-queries-received-ipv6: 97409069 dns-udp-responses-sent-ipv4: 6437111711 dns-udp-responses-sent-ipv6: 1569922999 dns-tcp-responses-sent-ipv4: 328291848 dns-tcp-responses-sent-ipv6: 88072852