--- service: j.root-servers.net start-period: '2016-01-27T00:00:00Z' end-period: '2016-01-27T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4331684933 dns-udp-queries-received-ipv6: 505684244 dns-tcp-queries-received-ipv4: 71605302 dns-tcp-queries-received-ipv6: 1936448 dns-udp-responses-sent-ipv4: 4161375495 dns-udp-responses-sent-ipv6: 508407960 dns-tcp-responses-sent-ipv4: 61230107 dns-tcp-responses-sent-ipv6: 322932