--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2017-12-15T00:00:00Z' dns-udp-queries-received-ipv4: 2511060441 dns-udp-queries-received-ipv6: 282576072 dns-tcp-queries-received-ipv4: 44570386 dns-tcp-queries-received-ipv6: 9558894 dns-udp-responses-sent-ipv4: 2506181947 dns-udp-responses-sent-ipv6: 282570909 dns-tcp-responses-sent-ipv4: 46549813 dns-tcp-responses-sent-ipv6: 9514502