--- service: j.root-servers.net start-period: '2015-07-10T00:00:00Z' end-period: '2015-07-10T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3437589969 dns-udp-queries-received-ipv6: 291792542 dns-tcp-queries-received-ipv4: 35762444 dns-tcp-queries-received-ipv6: 24058583 dns-udp-responses-sent-ipv4: 3352396589 dns-udp-responses-sent-ipv6: 291681051 dns-tcp-responses-sent-ipv4: 34941629 dns-tcp-responses-sent-ipv6: 22255054