--- version: rssac002v3 service: a.root-servers.net start-period: '2017-06-17T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3257478536 dns-udp-queries-received-ipv6: 376793789 dns-tcp-queries-received-ipv4: 143087233 dns-tcp-queries-received-ipv6: 9309124 dns-udp-responses-sent-ipv4: 3255601183 dns-udp-responses-sent-ipv6: 376699058 dns-tcp-responses-sent-ipv4: 142967742 dns-tcp-responses-sent-ipv6: 9400922