--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-12-27T00:00:00Z dns-udp-queries-received-ipv4: 3060798131 dns-udp-queries-received-ipv6: 601354043 dns-tcp-queries-received-ipv4: 54952237 dns-tcp-queries-received-ipv6: 25929033 dns-udp-responses-sent-ipv4: 3057431814 dns-udp-responses-sent-ipv6: 601123907 dns-tcp-responses-sent-ipv4: 56221695 dns-tcp-responses-sent-ipv6: 26806089