--- version: rssac002v5 service: a.root-servers.net start-period: '2026-04-19T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6408410471 dns-udp-queries-received-ipv6: 1826990454 dns-tcp-queries-received-ipv4: 427200167 dns-tcp-queries-received-ipv6: 35763965 dns-udp-responses-sent-ipv4: 6221738869 dns-udp-responses-sent-ipv6: 1815307141 dns-tcp-responses-sent-ipv4: 394418371 dns-tcp-responses-sent-ipv6: 34848379