--- version: rssac002v3 service: a.root-servers.net start-period: '2019-10-17T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6948436533 dns-udp-queries-received-ipv6: 1441632271 dns-tcp-queries-received-ipv4: 210867378 dns-tcp-queries-received-ipv6: 56677209 dns-udp-responses-sent-ipv4: 6775632299 dns-udp-responses-sent-ipv6: 1440877241 dns-tcp-responses-sent-ipv4: 206206340 dns-tcp-responses-sent-ipv6: 56992726