--- version: rssac002v3 service: d.root-servers.net start-period: '2019-09-21T00:00:00Z' end-period: '2019-09-21T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8403964210 dns-udp-queries-received-ipv6: 1509341968 dns-tcp-queries-received-ipv4: 501665579 dns-tcp-queries-received-ipv6: 60422126 dns-udp-responses-sent-ipv4: 8403962857 dns-udp-responses-sent-ipv6: 1508644343 dns-tcp-responses-sent-ipv4: 501229514 dns-tcp-responses-sent-ipv6: 60389118