--- version: rssac002v3 service: a.root-servers.net start-period: '2017-11-19T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2847307365 dns-udp-queries-received-ipv6: 356464773 dns-tcp-queries-received-ipv4: 74699838 dns-tcp-queries-received-ipv6: 11891448 dns-udp-responses-sent-ipv4: 2845781361 dns-udp-responses-sent-ipv6: 356442373 dns-tcp-responses-sent-ipv4: 74929727 dns-tcp-responses-sent-ipv6: 12020441