--- service: j.root-servers.net start-period: '2016-06-04T00:00:00Z' end-period: '2016-06-04T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5682302643 dns-udp-queries-received-ipv6: 686205714 dns-tcp-queries-received-ipv4: 179173608 dns-tcp-queries-received-ipv6: 4182899 dns-udp-responses-sent-ipv4: 5399311703 dns-udp-responses-sent-ipv6: 686830411 dns-tcp-responses-sent-ipv4: 147378063 dns-tcp-responses-sent-ipv6: 1513245