--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-01-15T00:00:00Z dns-udp-queries-received-ipv4: 4113744778 dns-udp-queries-received-ipv6: 962933551 dns-tcp-queries-received-ipv4: 120805809 dns-tcp-queries-received-ipv6: 81310459 dns-udp-responses-sent-ipv4: 4110501027 dns-udp-responses-sent-ipv6: 962766653 dns-tcp-responses-sent-ipv4: 98408554 dns-tcp-responses-sent-ipv6: 83684464