--- version: rssac002v3 service: d.root-servers.net start-period: '2018-01-04T00:00:00Z' end-period: '2018-01-04T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3642328252 dns-udp-queries-received-ipv6: 567625404 dns-tcp-queries-received-ipv4: 96821023 dns-tcp-queries-received-ipv6: 12883617 dns-udp-responses-sent-ipv4: 3641159501 dns-udp-responses-sent-ipv6: 567415458 dns-tcp-responses-sent-ipv4: 95625900 dns-tcp-responses-sent-ipv6: 12880949