--- version: rssac002v3 service: d.root-servers.net start-period: '2019-01-30T00:00:00Z' end-period: '2019-01-30T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7115482099 dns-udp-queries-received-ipv6: 1549352592 dns-tcp-queries-received-ipv4: 312581015 dns-tcp-queries-received-ipv6: 46874803 dns-udp-responses-sent-ipv4: 7115447570 dns-udp-responses-sent-ipv6: 1549225859 dns-tcp-responses-sent-ipv4: 311692946 dns-tcp-responses-sent-ipv6: 46803707