--- service: j.root-servers.net start-period: '2016-01-11T00:00:00Z' end-period: '2016-01-11T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4669720230 dns-udp-queries-received-ipv6: 556800392 dns-tcp-queries-received-ipv4: 112852718 dns-tcp-queries-received-ipv6: 2181186 dns-udp-responses-sent-ipv4: 4340445380 dns-udp-responses-sent-ipv6: 561648450 dns-tcp-responses-sent-ipv4: 95318038 dns-tcp-responses-sent-ipv6: 294796