--- version: rssac002v3 service: d.root-servers.net start-period: '2019-03-25T00:00:00Z' end-period: '2019-03-25T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7571521272 dns-udp-queries-received-ipv6: 1767099137 dns-tcp-queries-received-ipv4: 400307766 dns-tcp-queries-received-ipv6: 36534743 dns-udp-responses-sent-ipv4: 7571459441 dns-udp-responses-sent-ipv6: 1766979374 dns-tcp-responses-sent-ipv4: 398661025 dns-tcp-responses-sent-ipv6: 36496317