--- version: rssac002v3 service: d.root-servers.net start-period: '2018-06-14T00:00:00Z' end-period: '2018-06-14T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4869449909 dns-udp-queries-received-ipv6: 664846778 dns-tcp-queries-received-ipv4: 179151326 dns-tcp-queries-received-ipv6: 17698925 dns-udp-responses-sent-ipv4: 4870263989 dns-udp-responses-sent-ipv6: 664658030 dns-tcp-responses-sent-ipv4: 179092865 dns-tcp-responses-sent-ipv6: 17698103