--- version: rssac002v3 service: d.root-servers.net start-period: '2019-05-16T00:00:00Z' end-period: '2019-05-16T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7638490538 dns-udp-queries-received-ipv6: 1812789980 dns-tcp-queries-received-ipv4: 341277578 dns-tcp-queries-received-ipv6: 93617433 dns-udp-responses-sent-ipv4: 7638381252 dns-udp-responses-sent-ipv6: 1812682690 dns-tcp-responses-sent-ipv4: 340959723 dns-tcp-responses-sent-ipv6: 93584416