--- version: rssac002v3 service: d.root-servers.net start-period: '2018-09-21T00:00:00Z' end-period: '2018-09-21T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5722933935 dns-udp-queries-received-ipv6: 831891572 dns-tcp-queries-received-ipv4: 202292044 dns-tcp-queries-received-ipv6: 31953714 dns-udp-responses-sent-ipv4: 5722902735 dns-udp-responses-sent-ipv6: 831819905 dns-tcp-responses-sent-ipv4: 202179190 dns-tcp-responses-sent-ipv6: 31924837