--- version: rssac002v4 service: a.root-servers.net start-period: '2023-09-08T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6186529147 dns-udp-queries-received-ipv6: 1561420608 dns-tcp-queries-received-ipv4: 319885329 dns-tcp-queries-received-ipv6: 49626772 dns-udp-responses-sent-ipv4: 6034511643 dns-udp-responses-sent-ipv6: 1550263634 dns-tcp-responses-sent-ipv4: 319146185 dns-tcp-responses-sent-ipv6: 45849455