--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2017-03-27T00:00:00Z' dns-udp-queries-received-ipv4: 1973622809 dns-udp-queries-received-ipv6: 482489107 dns-tcp-queries-received-ipv4: 2146222 dns-tcp-queries-received-ipv6: 4827040 dns-udp-responses-sent-ipv4: 1975246679 dns-udp-responses-sent-ipv6: 485802543 dns-tcp-responses-sent-ipv4: 1971644 dns-tcp-responses-sent-ipv6: 5129908