--- version: rssac002v3 service: a.root-servers.net start-period: '2017-05-12T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3967698235 dns-udp-queries-received-ipv6: 379813980 dns-tcp-queries-received-ipv4: 166901715 dns-tcp-queries-received-ipv6: 7896396 dns-udp-responses-sent-ipv4: 3965898516 dns-udp-responses-sent-ipv6: 379757211 dns-tcp-responses-sent-ipv4: 167052582 dns-tcp-responses-sent-ipv6: 7982108