--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-12-08T00:00:00Z dns-udp-queries-received-ipv4: 3175497031 dns-udp-queries-received-ipv6: 642108706 dns-tcp-queries-received-ipv4: 60064553 dns-tcp-queries-received-ipv6: 26600047 dns-udp-responses-sent-ipv4: 3172431125 dns-udp-responses-sent-ipv6: 642029627 dns-tcp-responses-sent-ipv4: 61439471 dns-tcp-responses-sent-ipv6: 27421722