--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-04-03T00:00:00Z dns-udp-queries-received-ipv4: 3427497966 dns-udp-queries-received-ipv6: 931010183 dns-tcp-queries-received-ipv4: 117027608 dns-tcp-queries-received-ipv6: 70177444 dns-udp-responses-sent-ipv4: 3423413796 dns-udp-responses-sent-ipv6: 930867868 dns-tcp-responses-sent-ipv4: 119616809 dns-tcp-responses-sent-ipv6: 71915253