--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2017-03-16T00:00:00Z' dns-udp-queries-received-ipv4: 2100208329 dns-udp-queries-received-ipv6: 502261649 dns-tcp-queries-received-ipv4: 1488548 dns-tcp-queries-received-ipv6: 4233675 dns-udp-responses-sent-ipv4: 2097730499 dns-udp-responses-sent-ipv6: 502937064 dns-tcp-responses-sent-ipv4: 421160 dns-tcp-responses-sent-ipv6: 3864263