--- version: rssac002v3 service: a.root-servers.net start-period: '2017-11-18T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2961347482 dns-udp-queries-received-ipv6: 363058264 dns-tcp-queries-received-ipv4: 85974281 dns-tcp-queries-received-ipv6: 11903695 dns-udp-responses-sent-ipv4: 2953832368 dns-udp-responses-sent-ipv6: 363057683 dns-tcp-responses-sent-ipv4: 86167633 dns-tcp-responses-sent-ipv6: 12027499