--- version: rssac002v4 service: d.root-servers.net start-period: 2021-01-14T00:00:00Z end-period: 2021-01-14T23:59:59Z metric: traffic-volume dns-udp-queries-received-ipv4: 6984923782 dns-udp-queries-received-ipv6: 2161574249 dns-tcp-queries-received-ipv4: 214304975 dns-tcp-queries-received-ipv6: 118877265 dns-udp-responses-sent-ipv4: 6986009003 dns-udp-responses-sent-ipv6: 2161509689 dns-tcp-responses-sent-ipv4: 214258777 dns-tcp-responses-sent-ipv6: 118735533