--- version: rssac002v4 service: a.root-servers.net start-period: '2023-04-06T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7039099281 dns-udp-queries-received-ipv6: 2318323972 dns-tcp-queries-received-ipv4: 473771804 dns-tcp-queries-received-ipv6: 143806185 dns-udp-responses-sent-ipv4: 6383849737 dns-udp-responses-sent-ipv6: 1897675980 dns-tcp-responses-sent-ipv4: 404724572 dns-tcp-responses-sent-ipv6: 107944169