--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-07-07T00:00:00Z' dns-udp-queries-received-ipv4: 2846313482 dns-udp-queries-received-ipv6: 577140928 dns-tcp-queries-received-ipv4: 67290930 dns-tcp-queries-received-ipv6: 16847581 dns-udp-responses-sent-ipv4: 2798430790 dns-udp-responses-sent-ipv6: 576199540 dns-tcp-responses-sent-ipv4: 39612231 dns-tcp-responses-sent-ipv6: 9868082