--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-12-25T00:00:00Z dns-udp-queries-received-ipv4: 2698413634 dns-udp-queries-received-ipv6: 566876131 dns-tcp-queries-received-ipv4: 51088069 dns-tcp-queries-received-ipv6: 23295673 dns-udp-responses-sent-ipv4: 2695405918 dns-udp-responses-sent-ipv6: 566662689 dns-tcp-responses-sent-ipv4: 52436885 dns-tcp-responses-sent-ipv6: 24066500