--- version: rssac002v3 service: a.root-servers.net start-period: '2017-08-19T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3309813366 dns-udp-queries-received-ipv6: 347940319 dns-tcp-queries-received-ipv4: 121648173 dns-tcp-queries-received-ipv6: 10176817 dns-udp-responses-sent-ipv4: 3308089559 dns-udp-responses-sent-ipv6: 347928148 dns-tcp-responses-sent-ipv4: 121649487 dns-tcp-responses-sent-ipv6: 10182028