--- version: rssac002v3 service: a.root-servers.net start-period: '2020-03-09T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7716211385 dns-udp-queries-received-ipv6: 1137774324 dns-tcp-queries-received-ipv4: 333623356 dns-tcp-queries-received-ipv6: 79222478 dns-udp-responses-sent-ipv4: 7478651233 dns-udp-responses-sent-ipv6: 1136332278 dns-tcp-responses-sent-ipv4: 325524598 dns-tcp-responses-sent-ipv6: 79782867