--- version: rssac002v3 service: d.root-servers.net start-period: '2019-12-23T00:00:00Z' end-period: '2019-12-23T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8247707205 dns-udp-queries-received-ipv6: 1526742165 dns-tcp-queries-received-ipv4: 655754044 dns-tcp-queries-received-ipv6: 100603273 dns-udp-responses-sent-ipv4: 8247810654 dns-udp-responses-sent-ipv6: 1526692298 dns-tcp-responses-sent-ipv4: 655285188 dns-tcp-responses-sent-ipv6: 100278207