--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2017-02-18T00:00:00Z' dns-udp-queries-received-ipv4: 1914126558 dns-udp-queries-received-ipv6: 511154556 dns-tcp-queries-received-ipv4: 1157409 dns-tcp-queries-received-ipv6: 3876117 dns-udp-responses-sent-ipv4: 1911513299 dns-udp-responses-sent-ipv6: 511431223 dns-tcp-responses-sent-ipv4: 222065 dns-tcp-responses-sent-ipv6: 3582339