--- version: rssac002v4 service: a.root-servers.net start-period: '2023-01-26T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6234958826 dns-udp-queries-received-ipv6: 1763206534 dns-tcp-queries-received-ipv4: 364624133 dns-tcp-queries-received-ipv6: 147590805 dns-udp-responses-sent-ipv4: 5910295332 dns-udp-responses-sent-ipv6: 1661861195 dns-tcp-responses-sent-ipv4: 319372117 dns-tcp-responses-sent-ipv6: 134745330