--- version: rssac002v3 service: d.root-servers.net start-period: '2018-04-15T00:00:00Z' end-period: '2018-04-15T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3527091625 dns-udp-queries-received-ipv6: 559191502 dns-tcp-queries-received-ipv4: 94885146 dns-tcp-queries-received-ipv6: 13967841 dns-udp-responses-sent-ipv4: 3527044910 dns-udp-responses-sent-ipv6: 559067025 dns-tcp-responses-sent-ipv4: 94826693 dns-tcp-responses-sent-ipv6: 13965426