--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-06-30T00:00:00Z' dns-udp-queries-received-ipv4: 2836451819 dns-udp-queries-received-ipv6: 659108813 dns-tcp-queries-received-ipv4: 65282465 dns-tcp-queries-received-ipv6: 16946294 dns-udp-responses-sent-ipv4: 2792575296 dns-udp-responses-sent-ipv6: 658228777 dns-tcp-responses-sent-ipv4: 39786900 dns-tcp-responses-sent-ipv6: 10265635