--- service: j.root-servers.net start-period: '2013-11-15T00:00:00Z' end-period: '2013-11-15T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2487460956 dns-udp-queries-received-ipv6: 142704770 dns-tcp-queries-received-ipv4: 22792003 dns-tcp-queries-received-ipv6: 3505026 dns-udp-responses-sent-ipv4: 2479100561 dns-udp-responses-sent-ipv6: 142685293 dns-tcp-responses-sent-ipv4: 21028159 dns-tcp-responses-sent-ipv6: 81450