--- version: rssac002v4 service: a.root-servers.net start-period: '2023-04-05T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7266106718 dns-udp-queries-received-ipv6: 2360122991 dns-tcp-queries-received-ipv4: 478964080 dns-tcp-queries-received-ipv6: 142123628 dns-udp-responses-sent-ipv4: 6606749799 dns-udp-responses-sent-ipv6: 1936652017 dns-tcp-responses-sent-ipv4: 404734915 dns-tcp-responses-sent-ipv6: 105969176