--- service: i.root-servers.net start-period: '2014-02-26T00:00:00Z' end-period: '2014-02-27T00:00:02Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2693317873 dns-udp-queries-received-ipv6: 180167141 dns-tcp-queries-received-ipv4: 5472436 dns-tcp-queries-received-ipv6: 238571 dns-udp-responses-sent-ipv4: 2632595758 dns-udp-responses-sent-ipv6: 180292226 dns-tcp-responses-sent-ipv4: 5479642 dns-tcp-responses-sent-ipv6: 240864