--- service: j.root-servers.net start-period: '2015-05-25T00:00:00Z' end-period: '2015-05-25T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3225619085 dns-udp-queries-received-ipv6: 254832383 dns-tcp-queries-received-ipv4: 29963749 dns-tcp-queries-received-ipv6: 6531623 dns-udp-responses-sent-ipv4: 3163567290 dns-udp-responses-sent-ipv6: 254755204 dns-tcp-responses-sent-ipv4: 29246925 dns-tcp-responses-sent-ipv6: 4619208