--- version: rssac002v3 service: d.root-servers.net start-period: '2018-06-13T00:00:00Z' end-period: '2018-06-13T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4977996872 dns-udp-queries-received-ipv6: 682995016 dns-tcp-queries-received-ipv4: 178411323 dns-tcp-queries-received-ipv6: 18285974 dns-udp-responses-sent-ipv4: 4978778355 dns-udp-responses-sent-ipv6: 682915850 dns-tcp-responses-sent-ipv4: 178379660 dns-tcp-responses-sent-ipv6: 18285480