--- service: j.root-servers.net start-period: '2015-10-07T00:00:00Z' end-period: '2015-10-07T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4205698751 dns-udp-queries-received-ipv6: 505994663 dns-tcp-queries-received-ipv4: 66218395 dns-tcp-queries-received-ipv6: 17043859 dns-udp-responses-sent-ipv4: 4129257319 dns-udp-responses-sent-ipv6: 506457487 dns-tcp-responses-sent-ipv4: 64669504 dns-tcp-responses-sent-ipv6: 15061923