--- version: rssac002v3 service: d.root-servers.net start-period: '2017-05-31T00:00:00Z' end-period: '2017-05-31T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4105173801 dns-udp-queries-received-ipv6: 689493639 dns-tcp-queries-received-ipv4: 72606675 dns-tcp-queries-received-ipv6: 10571267 dns-udp-responses-sent-ipv4: 4104294685 dns-udp-responses-sent-ipv6: 689418352 dns-tcp-responses-sent-ipv4: 72550861 dns-tcp-responses-sent-ipv6: 10569993