--- service: j.root-servers.net start-period: '2015-02-14T00:00:00Z' end-period: '2015-02-14T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2866346444 dns-udp-queries-received-ipv6: 273482382 dns-tcp-queries-received-ipv4: 24294296 dns-tcp-queries-received-ipv6: 4017734 dns-udp-responses-sent-ipv4: 2876421025 dns-udp-responses-sent-ipv6: 273579447 dns-tcp-responses-sent-ipv4: 24168637 dns-tcp-responses-sent-ipv6: 3405950