--- service: j.root-servers.net start-period: '2014-03-31T00:00:00Z' end-period: '2014-03-31T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2803190106 dns-udp-queries-received-ipv6: 231487824 dns-tcp-queries-received-ipv4: 19977003 dns-tcp-queries-received-ipv6: 2932492 dns-udp-responses-sent-ipv4: 2713710064 dns-udp-responses-sent-ipv6: 231331188 dns-tcp-responses-sent-ipv4: 18346440 dns-tcp-responses-sent-ipv6: 208