--- version: rssac002v3 service: d.root-servers.net start-period: '2018-09-01T00:00:00Z' end-period: '2018-09-01T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4433568808 dns-udp-queries-received-ipv6: 708238067 dns-tcp-queries-received-ipv4: 200134872 dns-tcp-queries-received-ipv6: 23418815 dns-udp-responses-sent-ipv4: 4434239118 dns-udp-responses-sent-ipv6: 708128957 dns-tcp-responses-sent-ipv4: 200112954 dns-tcp-responses-sent-ipv6: 23414522