--- service: i.root-servers.net start-period: '2014-11-30T00:00:00Z' end-period: '2014-12-01T00:00:01Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2681409437 dns-udp-queries-received-ipv6: 213094960 dns-tcp-queries-received-ipv4: 5948136 dns-tcp-queries-received-ipv6: 175494 dns-udp-responses-sent-ipv4: 2640434278 dns-udp-responses-sent-ipv6: 213036719 dns-tcp-responses-sent-ipv4: 6070167 dns-tcp-responses-sent-ipv6: 175026