--- version: rssac002v3 service: d.root-servers.net start-period: '2019-05-13T00:00:00Z' end-period: '2019-05-13T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7560447032 dns-udp-queries-received-ipv6: 1788912438 dns-tcp-queries-received-ipv4: 355308347 dns-tcp-queries-received-ipv6: 82775686 dns-udp-responses-sent-ipv4: 7560363730 dns-udp-responses-sent-ipv6: 1788793739 dns-tcp-responses-sent-ipv4: 353826576 dns-tcp-responses-sent-ipv6: 82724679