--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2017-04-19T00:00:00Z' dns-udp-queries-received-ipv4: 1914041750 dns-udp-queries-received-ipv6: 419235503 dns-tcp-queries-received-ipv4: 2571360 dns-tcp-queries-received-ipv6: 5199239 dns-udp-responses-sent-ipv4: 1918530947 dns-udp-responses-sent-ipv6: 422558843 dns-tcp-responses-sent-ipv4: 2868510 dns-tcp-responses-sent-ipv6: 6044282