--- service: j.root-servers.net start-period: '2015-01-24T00:00:00Z' end-period: '2015-01-24T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2893359175 dns-udp-queries-received-ipv6: 254342753 dns-tcp-queries-received-ipv4: 28529709 dns-tcp-queries-received-ipv6: 5484710 dns-udp-responses-sent-ipv4: 2892735484 dns-udp-responses-sent-ipv6: 254404606 dns-tcp-responses-sent-ipv4: 28526478 dns-tcp-responses-sent-ipv6: 4816277