--- version: rssac002v3 service: d.root-servers.net start-period: '2018-02-21T00:00:00Z' end-period: '2018-02-21T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3572518932 dns-udp-queries-received-ipv6: 526009134 dns-tcp-queries-received-ipv4: 86022467 dns-tcp-queries-received-ipv6: 13635008 dns-udp-responses-sent-ipv4: 3572624924 dns-udp-responses-sent-ipv6: 525837997 dns-tcp-responses-sent-ipv4: 85997381 dns-tcp-responses-sent-ipv6: 13634229