--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2017-04-08T00:00:00Z' dns-udp-queries-received-ipv4: 1865051901 dns-udp-queries-received-ipv6: 423170088 dns-tcp-queries-received-ipv4: 1575419 dns-tcp-queries-received-ipv6: 4560355 dns-udp-responses-sent-ipv4: 1865855101 dns-udp-responses-sent-ipv6: 424741477 dns-tcp-responses-sent-ipv4: 1443880 dns-tcp-responses-sent-ipv6: 4918045