--- version: rssac002v3 service: d.root-servers.net start-period: '2018-12-29T00:00:00Z' end-period: '2018-12-29T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5883286324 dns-udp-queries-received-ipv6: 1419352052 dns-tcp-queries-received-ipv4: 383697672 dns-tcp-queries-received-ipv6: 41954742 dns-udp-responses-sent-ipv4: 5883287244 dns-udp-responses-sent-ipv6: 1419166246 dns-tcp-responses-sent-ipv4: 383222281 dns-tcp-responses-sent-ipv6: 41914589