--- version: rssac002v3 service: d.root-servers.net start-period: '2019-02-21T00:00:00Z' end-period: '2019-02-21T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7292648969 dns-udp-queries-received-ipv6: 1666090261 dns-tcp-queries-received-ipv4: 414183342 dns-tcp-queries-received-ipv6: 40906711 dns-udp-responses-sent-ipv4: 7292600302 dns-udp-responses-sent-ipv6: 1665945030 dns-tcp-responses-sent-ipv4: 413975709 dns-tcp-responses-sent-ipv6: 40878518