--- version: rssac002v3 service: d.root-servers.net start-period: '2019-07-31T00:00:00Z' end-period: '2019-07-31T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8195192311 dns-udp-queries-received-ipv6: 1770404761 dns-tcp-queries-received-ipv4: 449454819 dns-tcp-queries-received-ipv6: 64691586 dns-udp-responses-sent-ipv4: 8195235040 dns-udp-responses-sent-ipv6: 1770047026 dns-tcp-responses-sent-ipv4: 449188496 dns-tcp-responses-sent-ipv6: 64595580