--- version: rssac002v3 service: d.root-servers.net start-period: '2019-03-19T00:00:00Z' end-period: '2019-03-19T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7680224801 dns-udp-queries-received-ipv6: 1827896341 dns-tcp-queries-received-ipv4: 421541740 dns-tcp-queries-received-ipv6: 38410931 dns-udp-responses-sent-ipv4: 7680202841 dns-udp-responses-sent-ipv6: 1827780587 dns-tcp-responses-sent-ipv4: 421151341 dns-tcp-responses-sent-ipv6: 38369958