--- version: rssac002v4 service: a.root-servers.net start-period: '2023-12-15T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7638500000 dns-udp-queries-received-ipv6: 1586039704 dns-tcp-queries-received-ipv4: 436557652 dns-tcp-queries-received-ipv6: 71106250 dns-udp-responses-sent-ipv4: 7460900878 dns-udp-responses-sent-ipv6: 1555826150 dns-tcp-responses-sent-ipv4: 415953729 dns-tcp-responses-sent-ipv6: 57454662