--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2017-12-31T00:00:00Z' dns-udp-queries-received-ipv4: 1398532937 dns-udp-queries-received-ipv6: 265455932 dns-tcp-queries-received-ipv4: 45195259 dns-tcp-queries-received-ipv6: 8220612 dns-udp-responses-sent-ipv4: 1397877111 dns-udp-responses-sent-ipv6: 265437950 dns-tcp-responses-sent-ipv4: 54450997 dns-tcp-responses-sent-ipv6: 7963559