--- service: j.root-servers.net start-period: '2014-02-04T00:00:00Z' end-period: '2014-02-04T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2825900223 dns-udp-queries-received-ipv6: 184866261 dns-tcp-queries-received-ipv4: 24461699 dns-tcp-queries-received-ipv6: 3966997 dns-udp-responses-sent-ipv4: 2816164347 dns-udp-responses-sent-ipv6: 184761619 dns-tcp-responses-sent-ipv4: 24061121 dns-tcp-responses-sent-ipv6: 196