--- version: rssac002v4 service: a.root-servers.net start-period: '2023-06-19T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7053102649 dns-udp-queries-received-ipv6: 1565917088 dns-tcp-queries-received-ipv4: 372659726 dns-tcp-queries-received-ipv6: 83840008 dns-udp-responses-sent-ipv4: 6871223471 dns-udp-responses-sent-ipv6: 1556274981 dns-tcp-responses-sent-ipv4: 365175388 dns-tcp-responses-sent-ipv6: 80801572