--- version: rssac002v3 service: d.root-servers.net start-period: '2018-02-28T00:00:00Z' end-period: '2018-02-28T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3578051247 dns-udp-queries-received-ipv6: 520691229 dns-tcp-queries-received-ipv4: 96047462 dns-tcp-queries-received-ipv6: 13722059 dns-udp-responses-sent-ipv4: 3577795362 dns-udp-responses-sent-ipv6: 520499711 dns-tcp-responses-sent-ipv4: 96010084 dns-tcp-responses-sent-ipv6: 13721615