--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2017-04-05T00:00:00Z' dns-udp-queries-received-ipv4: 1879411080 dns-udp-queries-received-ipv6: 413291569 dns-tcp-queries-received-ipv4: 2070059 dns-tcp-queries-received-ipv6: 4645366 dns-udp-responses-sent-ipv4: 1882708419 dns-udp-responses-sent-ipv6: 416000763 dns-tcp-responses-sent-ipv4: 2121993 dns-tcp-responses-sent-ipv6: 5121121