--- version: rssac002v4 service: d.root-servers.net start-period: 2021-04-23T00:00:00Z end-period: 2021-04-23T23:59:59Z metric: traffic-volume dns-udp-queries-received-ipv4: 6049368037 dns-udp-queries-received-ipv6: 1724889093 dns-tcp-queries-received-ipv4: 211369858 dns-tcp-queries-received-ipv6: 108590957 dns-udp-responses-sent-ipv4: 6049368155 dns-udp-responses-sent-ipv6: 1724852291 dns-tcp-responses-sent-ipv4: 211300722 dns-tcp-responses-sent-ipv6: 108518028