--- service: j.root-servers.net start-period: '2013-11-17T00:00:00Z' end-period: '2013-11-17T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2119405035 dns-udp-queries-received-ipv6: 128414561 dns-tcp-queries-received-ipv4: 20670338 dns-tcp-queries-received-ipv6: 3395710 dns-udp-responses-sent-ipv4: 2111701634 dns-udp-responses-sent-ipv6: 128392603 dns-tcp-responses-sent-ipv4: 19930228 dns-tcp-responses-sent-ipv6: 114536