--- version: rssac002v3 service: a.root-servers.net start-period: '2021-03-10T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5655280758 dns-udp-queries-received-ipv6: 1093211675 dns-tcp-queries-received-ipv4: 282611173 dns-tcp-queries-received-ipv6: 88080562 dns-udp-responses-sent-ipv4: 5440784552 dns-udp-responses-sent-ipv6: 1089189221 dns-tcp-responses-sent-ipv4: 269266109 dns-tcp-responses-sent-ipv6: 88506635