--- version: rssac002v3 service: d.root-servers.net start-period: '2019-02-04T00:00:00Z' end-period: '2019-02-04T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6917652090 dns-udp-queries-received-ipv6: 1625896674 dns-tcp-queries-received-ipv4: 414227908 dns-tcp-queries-received-ipv6: 47174799 dns-udp-responses-sent-ipv4: 6921112959 dns-udp-responses-sent-ipv6: 1625850649 dns-tcp-responses-sent-ipv4: 414084425 dns-tcp-responses-sent-ipv6: 47154372