--- service: i.root-servers.net start-period: '2014-10-05T00:00:00Z' end-period: '2014-10-06T00:00:02Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2652917491 dns-udp-queries-received-ipv6: 198405093 dns-tcp-queries-received-ipv4: 6052759 dns-tcp-queries-received-ipv6: 230405 dns-udp-responses-sent-ipv4: 2602987760 dns-udp-responses-sent-ipv6: 201109166 dns-tcp-responses-sent-ipv4: 6064011 dns-tcp-responses-sent-ipv6: 232588