--- version: rssac002v4 service: a.root-servers.net start-period: '2023-04-09T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6455262712 dns-udp-queries-received-ipv6: 2142416303 dns-tcp-queries-received-ipv4: 428672560 dns-tcp-queries-received-ipv6: 119149089 dns-udp-responses-sent-ipv4: 5895871417 dns-udp-responses-sent-ipv6: 1782350169 dns-tcp-responses-sent-ipv4: 376624016 dns-tcp-responses-sent-ipv6: 93977721