--- version: rssac002v4 service: d.root-servers.net start-period: 2021-02-28T00:00:00Z end-period: 2021-02-28T23:59:59Z metric: traffic-volume dns-udp-queries-received-ipv4: 5900833200 dns-udp-queries-received-ipv6: 1814505383 dns-tcp-queries-received-ipv4: 191606996 dns-tcp-queries-received-ipv6: 93566066 dns-udp-responses-sent-ipv4: 5900716986 dns-udp-responses-sent-ipv6: 1814479679 dns-tcp-responses-sent-ipv4: 191547768 dns-tcp-responses-sent-ipv6: 93515688