--- service: j.root-servers.net start-period: '2016-04-27T00:00:00Z' end-period: '2016-04-27T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6030643413 dns-udp-queries-received-ipv6: 705487104 dns-tcp-queries-received-ipv4: 192940198 dns-tcp-queries-received-ipv6: 3694696 dns-udp-responses-sent-ipv4: 5723264176 dns-udp-responses-sent-ipv6: 704936502 dns-tcp-responses-sent-ipv4: 165333923 dns-tcp-responses-sent-ipv6: 1203684