--- version: rssac002v3 service: d.root-servers.net start-period: '2019-02-20T00:00:00Z' end-period: '2019-02-20T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7620396044 dns-udp-queries-received-ipv6: 2688809165 dns-tcp-queries-received-ipv4: 425503961 dns-tcp-queries-received-ipv6: 42748823 dns-udp-responses-sent-ipv4: 7620343490 dns-udp-responses-sent-ipv6: 2688709102 dns-tcp-responses-sent-ipv4: 425310751 dns-tcp-responses-sent-ipv6: 42565758