--- version: rssac002v4 service: a.root-servers.net start-period: '2023-02-26T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6389519510 dns-udp-queries-received-ipv6: 2059240419 dns-tcp-queries-received-ipv4: 386197655 dns-tcp-queries-received-ipv6: 147040808 dns-udp-responses-sent-ipv4: 5855075815 dns-udp-responses-sent-ipv6: 1733106429 dns-tcp-responses-sent-ipv4: 321946601 dns-tcp-responses-sent-ipv6: 119765402