--- service: j.root-servers.net start-period: '2013-10-02T00:00:00Z' end-period: '2013-10-02T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1898321257 dns-udp-queries-received-ipv6: 130967578 dns-tcp-queries-received-ipv4: 16109503 dns-tcp-queries-received-ipv6: 2009479 dns-udp-responses-sent-ipv4: 1891398705 dns-udp-responses-sent-ipv6: 131119149 dns-tcp-responses-sent-ipv4: 15238112 dns-tcp-responses-sent-ipv6: 75648