--- service: j.root-servers.net start-period: '2015-11-13T00:00:00Z' end-period: '2015-11-13T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3554586603 dns-udp-queries-received-ipv6: 421247509 dns-tcp-queries-received-ipv4: 36960093 dns-tcp-queries-received-ipv6: 2312695 dns-udp-responses-sent-ipv4: 3448372950 dns-udp-responses-sent-ipv6: 423483771 dns-tcp-responses-sent-ipv4: 33506218 dns-tcp-responses-sent-ipv6: 308036