--- version: rssac002v4 service: d.root-servers.net start-period: 2021-02-22T00:00:00Z end-period: 2021-02-22T23:59:59Z metric: traffic-volume dns-udp-queries-received-ipv4: 6276346103 dns-udp-queries-received-ipv6: 1726990395 dns-tcp-queries-received-ipv4: 193148114 dns-tcp-queries-received-ipv6: 102309307 dns-udp-responses-sent-ipv4: 6276227848 dns-udp-responses-sent-ipv6: 1726955198 dns-tcp-responses-sent-ipv4: 193084431 dns-tcp-responses-sent-ipv6: 102249073