--- version: rssac002v4 service: a.root-servers.net start-period: '2023-07-10T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6705637198 dns-udp-queries-received-ipv6: 1509780045 dns-tcp-queries-received-ipv4: 347780825 dns-tcp-queries-received-ipv6: 50040354 dns-udp-responses-sent-ipv4: 6515043107 dns-udp-responses-sent-ipv6: 1497567957 dns-tcp-responses-sent-ipv4: 330176640 dns-tcp-responses-sent-ipv6: 46355951