--- version: rssac002v4 service: d.root-servers.net start-period: 2020-12-30T00:00:00Z end-period: 2020-12-30T23:59:59Z metric: traffic-volume dns-udp-queries-received-ipv4: 6442652926 dns-udp-queries-received-ipv6: 2210531560 dns-tcp-queries-received-ipv4: 204996561 dns-tcp-queries-received-ipv6: 148043049 dns-udp-responses-sent-ipv4: 6442493811 dns-udp-responses-sent-ipv6: 2210481026 dns-tcp-responses-sent-ipv4: 204908192 dns-tcp-responses-sent-ipv6: 147973696