--- version: rssac002v4 service: d.root-servers.net start-period: 2021-01-07T00:00:00Z end-period: 2021-01-07T23:59:59Z metric: traffic-volume dns-udp-queries-received-ipv4: 6712675100 dns-udp-queries-received-ipv6: 2190731207 dns-tcp-queries-received-ipv4: 203465858 dns-tcp-queries-received-ipv6: 109358978 dns-udp-responses-sent-ipv4: 6712564543 dns-udp-responses-sent-ipv6: 2190681849 dns-tcp-responses-sent-ipv4: 203406421 dns-tcp-responses-sent-ipv6: 109273521