--- version: rssac002v4 service: a.root-servers.net start-period: '2023-07-04T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6566424567 dns-udp-queries-received-ipv6: 1698882870 dns-tcp-queries-received-ipv4: 345445791 dns-tcp-queries-received-ipv6: 66817803 dns-udp-responses-sent-ipv4: 6408837542 dns-udp-responses-sent-ipv6: 1677801948 dns-tcp-responses-sent-ipv4: 337102086 dns-tcp-responses-sent-ipv6: 60066198