--- version: rssac002v3 service: d.root-servers.net start-period: '2019-03-29T00:00:00Z' end-period: '2019-03-29T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7630459429 dns-udp-queries-received-ipv6: 1763581879 dns-tcp-queries-received-ipv4: 378523092 dns-tcp-queries-received-ipv6: 38078678 dns-udp-responses-sent-ipv4: 7630432281 dns-udp-responses-sent-ipv6: 1763474348 dns-tcp-responses-sent-ipv4: 377971425 dns-tcp-responses-sent-ipv6: 38044358