--- version: rssac002v3 service: d.root-servers.net start-period: '2018-07-15T00:00:00Z' end-period: '2018-07-15T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4338738764 dns-udp-queries-received-ipv6: 623764140 dns-tcp-queries-received-ipv4: 186206324 dns-tcp-queries-received-ipv6: 17533124 dns-udp-responses-sent-ipv4: 4339524871 dns-udp-responses-sent-ipv6: 623542952 dns-tcp-responses-sent-ipv4: 186187588 dns-tcp-responses-sent-ipv6: 17529276