--- version: rssac002v4 service: a.root-servers.net start-period: '2023-09-18T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6455417677 dns-udp-queries-received-ipv6: 1602445392 dns-tcp-queries-received-ipv4: 335733369 dns-tcp-queries-received-ipv6: 49955542 dns-udp-responses-sent-ipv4: 6299484146 dns-udp-responses-sent-ipv6: 1586424908 dns-tcp-responses-sent-ipv4: 322246091 dns-tcp-responses-sent-ipv6: 45405183