--- version: rssac002v4 service: a.root-servers.net start-period: '2023-02-18T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5991652995 dns-udp-queries-received-ipv6: 1880380004 dns-tcp-queries-received-ipv4: 294232520 dns-tcp-queries-received-ipv6: 84296267 dns-udp-responses-sent-ipv4: 5625307484 dns-udp-responses-sent-ipv6: 1643149980 dns-tcp-responses-sent-ipv4: 257495117 dns-tcp-responses-sent-ipv6: 70183916