--- version: rssac002v3 service: d.root-servers.net start-period: '2019-01-23T00:00:00Z' end-period: '2019-01-23T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6669239321 dns-udp-queries-received-ipv6: 1489823553 dns-tcp-queries-received-ipv4: 270994157 dns-tcp-queries-received-ipv6: 57198696 dns-udp-responses-sent-ipv4: 6669191137 dns-udp-responses-sent-ipv6: 1489727585 dns-tcp-responses-sent-ipv4: 270444504 dns-tcp-responses-sent-ipv6: 57063881