--- service: j.root-servers.net start-period: '2015-08-30T00:00:00Z' end-period: '2015-08-30T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4415758689 dns-udp-queries-received-ipv6: 259384780 dns-tcp-queries-received-ipv4: 61558219 dns-tcp-queries-received-ipv6: 22095150 dns-udp-responses-sent-ipv4: 3313569308 dns-udp-responses-sent-ipv6: 260101012 dns-tcp-responses-sent-ipv4: 60267752 dns-tcp-responses-sent-ipv6: 20591886