--- version: rssac002v3 service: d.root-servers.net start-period: '2017-04-20T00:00:00Z' end-period: '2017-04-20T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4420328985 dns-udp-queries-received-ipv6: 710274261 dns-tcp-queries-received-ipv4: 78331831 dns-tcp-queries-received-ipv6: 9489229 dns-udp-responses-sent-ipv4: 4412467423 dns-udp-responses-sent-ipv6: 710172735 dns-tcp-responses-sent-ipv4: 78106922 dns-tcp-responses-sent-ipv6: 9487898