--- version: rssac002v3 service: a.root-servers.net start-period: '2017-09-10T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3065775241 dns-udp-queries-received-ipv6: 440351141 dns-tcp-queries-received-ipv4: 113049499 dns-tcp-queries-received-ipv6: 10250836 dns-udp-responses-sent-ipv4: 3057285480 dns-udp-responses-sent-ipv6: 437089742 dns-tcp-responses-sent-ipv4: 113132366 dns-tcp-responses-sent-ipv6: 10360839