--- service: j.root-servers.net start-period: '2015-05-10T00:00:00Z' end-period: '2015-05-10T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2911157794 dns-udp-queries-received-ipv6: 238115208 dns-tcp-queries-received-ipv4: 26485112 dns-tcp-queries-received-ipv6: 4302362 dns-udp-responses-sent-ipv4: 2833663261 dns-udp-responses-sent-ipv6: 238028793 dns-tcp-responses-sent-ipv4: 26015164 dns-tcp-responses-sent-ipv6: 3457114