--- version: rssac002v4 service: a.root-servers.net start-period: '2022-05-10T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5278209698 dns-udp-queries-received-ipv6: 1712867317 dns-tcp-queries-received-ipv4: 366227780 dns-tcp-queries-received-ipv6: 96539743 dns-udp-responses-sent-ipv4: 5125585622 dns-udp-responses-sent-ipv6: 1718144924 dns-tcp-responses-sent-ipv4: 345401391 dns-tcp-responses-sent-ipv6: 96525627