--- service: j.root-servers.net start-period: '2013-10-18T00:00:00Z' end-period: '2013-10-18T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2349795543 dns-udp-queries-received-ipv6: 140719635 dns-tcp-queries-received-ipv4: 21253545 dns-tcp-queries-received-ipv6: 3670011 dns-udp-responses-sent-ipv4: 2342430872 dns-udp-responses-sent-ipv6: 140696932 dns-tcp-responses-sent-ipv4: 19987350 dns-tcp-responses-sent-ipv6: 86270