--- version: rssac002v3 service: d.root-servers.net start-period: '2019-02-19T00:00:00Z' end-period: '2019-02-19T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7420421603 dns-udp-queries-received-ipv6: 2588701688 dns-tcp-queries-received-ipv4: 434826442 dns-tcp-queries-received-ipv6: 55364778 dns-udp-responses-sent-ipv4: 7420359241 dns-udp-responses-sent-ipv6: 2588595184 dns-tcp-responses-sent-ipv4: 434663008 dns-tcp-responses-sent-ipv6: 55193814