--- version: rssac002v3 service: d.root-servers.net start-period: '2019-02-25T00:00:00Z' end-period: '2019-02-25T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7227839479 dns-udp-queries-received-ipv6: 1666876447 dns-tcp-queries-received-ipv4: 408047183 dns-tcp-queries-received-ipv6: 41753439 dns-udp-responses-sent-ipv4: 7227834090 dns-udp-responses-sent-ipv6: 1666678794 dns-tcp-responses-sent-ipv4: 407899951 dns-tcp-responses-sent-ipv6: 41727127