--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-07-09T00:00:00Z' dns-udp-queries-received-ipv4: 3077845557 dns-udp-queries-received-ipv6: 607939906 dns-tcp-queries-received-ipv4: 69319451 dns-tcp-queries-received-ipv6: 15668285 dns-udp-responses-sent-ipv4: 3031858197 dns-udp-responses-sent-ipv6: 607445552 dns-tcp-responses-sent-ipv4: 46844088 dns-tcp-responses-sent-ipv6: 9943744