--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-02-01T00:00:00Z' dns-udp-queries-received-ipv4: 2505619616 dns-udp-queries-received-ipv6: 557560085 dns-tcp-queries-received-ipv4: 46804400 dns-tcp-queries-received-ipv6: 13034400 dns-udp-responses-sent-ipv4: 2501653055 dns-udp-responses-sent-ipv6: 556478980 dns-tcp-responses-sent-ipv4: 43779297 dns-tcp-responses-sent-ipv6: 12363381