--- version: rssac002v3 service: d.root-servers.net start-period: '2019-07-12T00:00:00Z' end-period: '2019-07-12T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8006336886 dns-udp-queries-received-ipv6: 1801968935 dns-tcp-queries-received-ipv4: 409083023 dns-tcp-queries-received-ipv6: 72457563 dns-udp-responses-sent-ipv4: 8006285887 dns-udp-responses-sent-ipv6: 1801254105 dns-tcp-responses-sent-ipv4: 408834686 dns-tcp-responses-sent-ipv6: 71383390