--- version: rssac002v3 service: d.root-servers.net start-period: '2019-01-24T00:00:00Z' end-period: '2019-01-24T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6596304604 dns-udp-queries-received-ipv6: 1474727395 dns-tcp-queries-received-ipv4: 258863816 dns-tcp-queries-received-ipv6: 44637368 dns-udp-responses-sent-ipv4: 6596304252 dns-udp-responses-sent-ipv6: 1474641259 dns-tcp-responses-sent-ipv4: 258465505 dns-tcp-responses-sent-ipv6: 44541698