--- version: rssac002v3 service: d.root-servers.net start-period: '2019-07-15T00:00:00Z' end-period: '2019-07-15T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7827437191 dns-udp-queries-received-ipv6: 1815229592 dns-tcp-queries-received-ipv4: 398306678 dns-tcp-queries-received-ipv6: 79124464 dns-udp-responses-sent-ipv4: 7827419809 dns-udp-responses-sent-ipv6: 1814742871 dns-tcp-responses-sent-ipv4: 398107128 dns-tcp-responses-sent-ipv6: 78104161