--- version: rssac002v3 service: d.root-servers.net start-period: '2018-06-29T00:00:00Z' end-period: '2018-06-29T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4676715798 dns-udp-queries-received-ipv6: 648521004 dns-tcp-queries-received-ipv4: 177086069 dns-tcp-queries-received-ipv6: 17029476 dns-udp-responses-sent-ipv4: 4676620287 dns-udp-responses-sent-ipv6: 648321085 dns-tcp-responses-sent-ipv4: 176953205 dns-tcp-responses-sent-ipv6: 17026555