--- version: rssac002v4 service: a.root-servers.net start-period: '2023-09-03T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6766182003 dns-udp-queries-received-ipv6: 1621099873 dns-tcp-queries-received-ipv4: 332615884 dns-tcp-queries-received-ipv6: 45373621 dns-udp-responses-sent-ipv4: 6599761442 dns-udp-responses-sent-ipv6: 1609104672 dns-tcp-responses-sent-ipv4: 318239406 dns-tcp-responses-sent-ipv6: 41058676