--- service: j.root-servers.net start-period: '2015-03-27T00:00:00Z' end-period: '2015-03-27T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3324652949 dns-udp-queries-received-ipv6: 332873066 dns-tcp-queries-received-ipv4: 27027009 dns-tcp-queries-received-ipv6: 4485807 dns-udp-responses-sent-ipv4: 3330133625 dns-udp-responses-sent-ipv6: 332825727 dns-tcp-responses-sent-ipv4: 26756525 dns-tcp-responses-sent-ipv6: 3723016