--- version: rssac002v3 service: d.root-servers.net start-period: '2018-04-14T00:00:00Z' end-period: '2018-04-14T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3551795438 dns-udp-queries-received-ipv6: 563120763 dns-tcp-queries-received-ipv4: 88291700 dns-tcp-queries-received-ipv6: 14300013 dns-udp-responses-sent-ipv4: 3551400335 dns-udp-responses-sent-ipv6: 563003638 dns-tcp-responses-sent-ipv4: 88247338 dns-tcp-responses-sent-ipv6: 14299012