--- version: rssac002v4 service: a.root-servers.net start-period: '2023-03-10T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6769756219 dns-udp-queries-received-ipv6: 2138653684 dns-tcp-queries-received-ipv4: 429187870 dns-tcp-queries-received-ipv6: 123689833 dns-udp-responses-sent-ipv4: 6243335250 dns-udp-responses-sent-ipv6: 1825030392 dns-tcp-responses-sent-ipv4: 366439008 dns-tcp-responses-sent-ipv6: 95659028