--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-07-29T00:00:00Z dns-udp-queries-received-ipv4: 3759203201 dns-udp-queries-received-ipv6: 600020989 dns-tcp-queries-received-ipv4: 160246729 dns-tcp-queries-received-ipv6: 94485639 dns-udp-responses-sent-ipv4: 3754744834 dns-udp-responses-sent-ipv6: 599963055 dns-tcp-responses-sent-ipv4: 164405625 dns-tcp-responses-sent-ipv6: 96745116