--- version: rssac002v3 service: d.root-servers.net start-period: '2018-09-20T00:00:00Z' end-period: '2018-09-20T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5149829764 dns-udp-queries-received-ipv6: 721433619 dns-tcp-queries-received-ipv4: 196105133 dns-tcp-queries-received-ipv6: 28527696 dns-udp-responses-sent-ipv4: 5149824409 dns-udp-responses-sent-ipv6: 721358083 dns-tcp-responses-sent-ipv4: 196021687 dns-tcp-responses-sent-ipv6: 28511588