--- version: rssac002v3 service: d.root-servers.net start-period: '2019-01-17T00:00:00Z' end-period: '2019-01-17T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6530091255 dns-udp-queries-received-ipv6: 1539062311 dns-tcp-queries-received-ipv4: 233577103 dns-tcp-queries-received-ipv6: 93178340 dns-udp-responses-sent-ipv4: 6530079330 dns-udp-responses-sent-ipv6: 1538915388 dns-tcp-responses-sent-ipv4: 232919126 dns-tcp-responses-sent-ipv6: 92992560