--- version: rssac002v3 service: d.root-servers.net start-period: '2018-03-31T00:00:00Z' end-period: '2018-03-31T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3522676233 dns-udp-queries-received-ipv6: 544111214 dns-tcp-queries-received-ipv4: 95290719 dns-tcp-queries-received-ipv6: 14028497 dns-udp-responses-sent-ipv4: 3522506694 dns-udp-responses-sent-ipv6: 543971247 dns-tcp-responses-sent-ipv4: 95265016 dns-tcp-responses-sent-ipv6: 14027142