--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-04-01T00:00:00Z dns-udp-queries-received-ipv4: 4005482287 dns-udp-queries-received-ipv6: 1086810489 dns-tcp-queries-received-ipv4: 127611591 dns-tcp-queries-received-ipv6: 76022079 dns-udp-responses-sent-ipv4: 3996734125 dns-udp-responses-sent-ipv6: 1086669697 dns-tcp-responses-sent-ipv4: 129828207 dns-tcp-responses-sent-ipv6: 77561305