--- service: j.root-servers.net start-period: '2015-03-24T00:00:00Z' end-period: '2015-03-24T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3274472036 dns-udp-queries-received-ipv6: 332124650 dns-tcp-queries-received-ipv4: 25942363 dns-tcp-queries-received-ipv6: 4676996 dns-udp-responses-sent-ipv4: 3284620465 dns-udp-responses-sent-ipv6: 331964969 dns-tcp-responses-sent-ipv4: 25643004 dns-tcp-responses-sent-ipv6: 3914357