--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-09-03T00:00:00Z dns-udp-queries-received-ipv4: 3167217705 dns-udp-queries-received-ipv6: 524185620 dns-tcp-queries-received-ipv4: 128779650 dns-tcp-queries-received-ipv6: 81987583 dns-udp-responses-sent-ipv4: 3164268064 dns-udp-responses-sent-ipv6: 524051623 dns-tcp-responses-sent-ipv4: 131761149 dns-tcp-responses-sent-ipv6: 83204485