--- version: rssac002v3 service: a.root-servers.net start-period: '2019-10-10T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6699033098 dns-udp-queries-received-ipv6: 1395816337 dns-tcp-queries-received-ipv4: 221278480 dns-tcp-queries-received-ipv6: 40768984 dns-udp-responses-sent-ipv4: 6517059247 dns-udp-responses-sent-ipv6: 1395216982 dns-tcp-responses-sent-ipv4: 215709586 dns-tcp-responses-sent-ipv6: 42208198