--- version: rssac002v3 service: a.root-servers.net start-period: '2017-11-06T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3540881676 dns-udp-queries-received-ipv6: 421307384 dns-tcp-queries-received-ipv4: 181882407 dns-tcp-queries-received-ipv6: 12164646 dns-udp-responses-sent-ipv4: 3538272882 dns-udp-responses-sent-ipv6: 421242482 dns-tcp-responses-sent-ipv4: 182213317 dns-tcp-responses-sent-ipv6: 12288110