--- version: rssac002v4 service: a.root-servers.net start-period: '2023-06-17T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6399286805 dns-udp-queries-received-ipv6: 1562982863 dns-tcp-queries-received-ipv4: 375101596 dns-tcp-queries-received-ipv6: 79609448 dns-udp-responses-sent-ipv4: 6227902570 dns-udp-responses-sent-ipv6: 1548852649 dns-tcp-responses-sent-ipv4: 360237825 dns-tcp-responses-sent-ipv6: 74181609