--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-08-18T00:00:00Z dns-udp-queries-received-ipv4: 3400160361 dns-udp-queries-received-ipv6: 497471081 dns-tcp-queries-received-ipv4: 131339826 dns-tcp-queries-received-ipv6: 73115870 dns-udp-responses-sent-ipv4: 3397612333 dns-udp-responses-sent-ipv6: 497420411 dns-tcp-responses-sent-ipv4: 134980571 dns-tcp-responses-sent-ipv6: 75048668