--- version: rssac002v3 service: d.root-servers.net start-period: '2019-07-21T00:00:00Z' end-period: '2019-07-21T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7413677225 dns-udp-queries-received-ipv6: 1681704685 dns-tcp-queries-received-ipv4: 447981378 dns-tcp-queries-received-ipv6: 49985704 dns-udp-responses-sent-ipv4: 7413682421 dns-udp-responses-sent-ipv6: 1681175858 dns-tcp-responses-sent-ipv4: 447129479 dns-tcp-responses-sent-ipv6: 49908345