--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2017-02-28T00:00:00Z' dns-udp-queries-received-ipv4: 2070847378 dns-udp-queries-received-ipv6: 515686899 dns-tcp-queries-received-ipv4: 1256859 dns-tcp-queries-received-ipv6: 4293577 dns-udp-responses-sent-ipv4: 2069911271 dns-udp-responses-sent-ipv6: 516620329 dns-tcp-responses-sent-ipv4: 390310 dns-tcp-responses-sent-ipv6: 3867825