--- service: j.root-servers.net start-period: '2014-01-19T00:00:00Z' end-period: '2014-01-19T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2589871830 dns-udp-queries-received-ipv6: 182295066 dns-tcp-queries-received-ipv4: 23075671 dns-tcp-queries-received-ipv6: 4152487 dns-udp-responses-sent-ipv4: 2535777809 dns-udp-responses-sent-ipv6: 182202717 dns-tcp-responses-sent-ipv4: 21302281 dns-tcp-responses-sent-ipv6: 2525