--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-12-11T00:00:00Z dns-udp-queries-received-ipv4: 2793349813 dns-udp-queries-received-ipv6: 577710904 dns-tcp-queries-received-ipv4: 55711238 dns-tcp-queries-received-ipv6: 24266977 dns-udp-responses-sent-ipv4: 2790333718 dns-udp-responses-sent-ipv6: 577620933 dns-tcp-responses-sent-ipv4: 57170398 dns-tcp-responses-sent-ipv6: 25110964