--- service: i.root-servers.net start-period: '2014-03-05T00:00:00Z' end-period: '2014-03-06T00:00:02Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2745602191 dns-udp-queries-received-ipv6: 179504822 dns-tcp-queries-received-ipv4: 5623504 dns-tcp-queries-received-ipv6: 322048 dns-udp-responses-sent-ipv4: 2687467791 dns-udp-responses-sent-ipv6: 179651047 dns-tcp-responses-sent-ipv4: 5637576 dns-tcp-responses-sent-ipv6: 325829