--- version: rssac002v3 service: d.root-servers.net start-period: '2019-05-19T00:00:00Z' end-period: '2019-05-19T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7072617269 dns-udp-queries-received-ipv6: 1737852847 dns-tcp-queries-received-ipv4: 351198514 dns-tcp-queries-received-ipv6: 72762802 dns-udp-responses-sent-ipv4: 7072546791 dns-udp-responses-sent-ipv6: 1737740327 dns-tcp-responses-sent-ipv4: 351080188 dns-tcp-responses-sent-ipv6: 72730236