--- service: i.root-servers.net start-period: '2014-10-06T00:00:00Z' end-period: '2014-10-07T00:00:01Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3006429078 dns-udp-queries-received-ipv6: 212882038 dns-tcp-queries-received-ipv4: 6336824 dns-tcp-queries-received-ipv6: 231737 dns-udp-responses-sent-ipv4: 2955461715 dns-udp-responses-sent-ipv6: 216316085 dns-tcp-responses-sent-ipv4: 6416713 dns-tcp-responses-sent-ipv6: 231922