--- service: j.root-servers.net start-period: '2014-02-15T00:00:00Z' end-period: '2014-02-15T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2611716489 dns-udp-queries-received-ipv6: 198362770 dns-tcp-queries-received-ipv4: 20441694 dns-tcp-queries-received-ipv6: 4138587 dns-udp-responses-sent-ipv4: 2602274930 dns-udp-responses-sent-ipv6: 198227293 dns-tcp-responses-sent-ipv4: 18974778 dns-tcp-responses-sent-ipv6: 181