--- service: i.root-servers.net start-period: '2014-05-24T00:00:00Z' end-period: '2014-05-25T00:00:01Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2255799189 dns-udp-queries-received-ipv6: 187678414 dns-tcp-queries-received-ipv4: 5776990 dns-tcp-queries-received-ipv6: 211705 dns-udp-responses-sent-ipv4: 2208027312 dns-udp-responses-sent-ipv6: 187505020 dns-tcp-responses-sent-ipv4: 5980787 dns-tcp-responses-sent-ipv6: 214493