--- version: rssac002v4 service: a.root-servers.net start-period: '2023-07-29T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6866602958 dns-udp-queries-received-ipv6: 1749261081 dns-tcp-queries-received-ipv4: 337378126 dns-tcp-queries-received-ipv6: 63349797 dns-udp-responses-sent-ipv4: 6699644579 dns-udp-responses-sent-ipv6: 1732683433 dns-tcp-responses-sent-ipv4: 318970835 dns-tcp-responses-sent-ipv6: 57136779