--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-07-30T00:00:00Z' dns-udp-queries-received-ipv4: 2958023424 dns-udp-queries-received-ipv6: 601032769 dns-tcp-queries-received-ipv4: 67821497 dns-tcp-queries-received-ipv6: 17588859 dns-udp-responses-sent-ipv4: 2924218571 dns-udp-responses-sent-ipv6: 600516184 dns-tcp-responses-sent-ipv4: 47712033 dns-tcp-responses-sent-ipv6: 12075875