--- version: rssac002v4 service: a.root-servers.net start-period: '2023-07-28T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6375132758 dns-udp-queries-received-ipv6: 1967649350 dns-tcp-queries-received-ipv4: 343209294 dns-tcp-queries-received-ipv6: 120359303 dns-udp-responses-sent-ipv4: 6208311378 dns-udp-responses-sent-ipv6: 1951538008 dns-tcp-responses-sent-ipv4: 327799770 dns-tcp-responses-sent-ipv6: 114422086