--- version: rssac002v4 service: a.root-servers.net start-period: '2024-04-29T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8776046623 dns-udp-queries-received-ipv6: 1562064950 dns-tcp-queries-received-ipv4: 335995988 dns-tcp-queries-received-ipv6: 56101924 dns-udp-responses-sent-ipv4: 8613161542 dns-udp-responses-sent-ipv6: 1543831833 dns-tcp-responses-sent-ipv4: 319981266 dns-tcp-responses-sent-ipv6: 48903829