--- service: i.root-servers.net start-period: '2014-11-14T00:00:00Z' end-period: '2014-11-15T00:00:04Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3300264112 dns-udp-queries-received-ipv6: 222256882 dns-tcp-queries-received-ipv4: 7088253 dns-tcp-queries-received-ipv6: 183742 dns-udp-responses-sent-ipv4: 3247221133 dns-udp-responses-sent-ipv6: 222169031 dns-tcp-responses-sent-ipv4: 7139649 dns-tcp-responses-sent-ipv6: 183590