--- version: rssac002v5 service: a.root-servers.net start-period: '2026-04-27T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6548157004 dns-udp-queries-received-ipv6: 1862018964 dns-tcp-queries-received-ipv4: 445543987 dns-tcp-queries-received-ipv6: 34170535 dns-udp-responses-sent-ipv4: 6365039582 dns-udp-responses-sent-ipv6: 1851503360 dns-tcp-responses-sent-ipv4: 413809477 dns-tcp-responses-sent-ipv6: 33776209