--- version: rssac002v3 service: a.root-servers.net start-period: '2017-05-26T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3670620137 dns-udp-queries-received-ipv6: 428152801 dns-tcp-queries-received-ipv4: 165802669 dns-tcp-queries-received-ipv6: 7827350 dns-udp-responses-sent-ipv4: 3667555268 dns-udp-responses-sent-ipv6: 428125749 dns-tcp-responses-sent-ipv4: 165708083 dns-tcp-responses-sent-ipv6: 7937977