--- version: rssac002v3 service: d.root-servers.net start-period: '2018-01-29T00:00:00Z' end-period: '2018-01-29T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3679924916 dns-udp-queries-received-ipv6: 549964247 dns-tcp-queries-received-ipv4: 84076715 dns-tcp-queries-received-ipv6: 14431497 dns-udp-responses-sent-ipv4: 3678546354 dns-udp-responses-sent-ipv6: 549797239 dns-tcp-responses-sent-ipv4: 84032253 dns-tcp-responses-sent-ipv6: 14430162