--- version: rssac002v4 service: d.root-servers.net start-period: 2021-04-22T00:00:00Z end-period: 2021-04-22T23:59:59Z metric: traffic-volume dns-udp-queries-received-ipv4: 6209474714 dns-udp-queries-received-ipv6: 1842418702 dns-tcp-queries-received-ipv4: 212863783 dns-tcp-queries-received-ipv6: 113504303 dns-udp-responses-sent-ipv4: 6209454658 dns-udp-responses-sent-ipv6: 1842381192 dns-tcp-responses-sent-ipv4: 212805537 dns-tcp-responses-sent-ipv6: 113276632