--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-01-03T00:00:00Z dns-udp-queries-received-ipv4: 3424595221 dns-udp-queries-received-ipv6: 796123120 dns-tcp-queries-received-ipv4: 111165359 dns-tcp-queries-received-ipv6: 66768894 dns-udp-responses-sent-ipv4: 3421756665 dns-udp-responses-sent-ipv6: 795960987 dns-tcp-responses-sent-ipv4: 90978881 dns-tcp-responses-sent-ipv6: 68664602