--- service: j.root-servers.net start-period: '2016-05-23T00:00:00Z' end-period: '2016-05-23T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6901652602 dns-udp-queries-received-ipv6: 729259239 dns-tcp-queries-received-ipv4: 213822794 dns-tcp-queries-received-ipv6: 3697153 dns-udp-responses-sent-ipv4: 6645049888 dns-udp-responses-sent-ipv6: 728178882 dns-tcp-responses-sent-ipv4: 167383260 dns-tcp-responses-sent-ipv6: 687738