--- version: rssac002v4 service: a.root-servers.net start-period: '2022-07-19T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6086218345 dns-udp-queries-received-ipv6: 1959624777 dns-tcp-queries-received-ipv4: 358893623 dns-tcp-queries-received-ipv6: 48266862 dns-udp-responses-sent-ipv4: 5679970361 dns-udp-responses-sent-ipv6: 1951955782 dns-tcp-responses-sent-ipv4: 280857582 dns-tcp-responses-sent-ipv6: 47116049