--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-02-19T00:00:00Z dns-udp-queries-received-ipv4: 3705179458 dns-udp-queries-received-ipv6: 913985282 dns-tcp-queries-received-ipv4: 110816815 dns-tcp-queries-received-ipv6: 68141422 dns-udp-responses-sent-ipv4: 3699680011 dns-udp-responses-sent-ipv6: 913815240 dns-tcp-responses-sent-ipv4: 90062695 dns-tcp-responses-sent-ipv6: 69826759