--- version: rssac002v4 service: a.root-servers.net start-period: '2023-07-11T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6615967868 dns-udp-queries-received-ipv6: 1521378583 dns-tcp-queries-received-ipv4: 332646624 dns-tcp-queries-received-ipv6: 50441857 dns-udp-responses-sent-ipv4: 7089914296 dns-udp-responses-sent-ipv6: 1506987458 dns-tcp-responses-sent-ipv4: 323981807 dns-tcp-responses-sent-ipv6: 46237805