--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-02-26T00:00:00Z dns-udp-queries-received-ipv4: 4131138302 dns-udp-queries-received-ipv6: 1033618965 dns-tcp-queries-received-ipv4: 116104306 dns-tcp-queries-received-ipv6: 70689439 dns-udp-responses-sent-ipv4: 4123927025 dns-udp-responses-sent-ipv6: 1033382412 dns-tcp-responses-sent-ipv4: 97794219 dns-tcp-responses-sent-ipv6: 72682339