--- service: i.root-servers.net start-period: '2014-12-06T00:00:00Z' end-period: '2014-12-06T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3035277096 dns-udp-queries-received-ipv6: 208873293 dns-tcp-queries-received-ipv4: 6241966 dns-tcp-queries-received-ipv6: 182645 dns-udp-responses-sent-ipv4: 2988557919 dns-udp-responses-sent-ipv6: 208818610 dns-tcp-responses-sent-ipv4: 6272353 dns-tcp-responses-sent-ipv6: 182157