--- service: i.root-servers.net start-period: '2013-10-30T00:00:00Z' end-period: '2013-10-31T00:00:14Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2293981629 dns-udp-queries-received-ipv6: 123076316 dns-tcp-queries-received-ipv4: 4713007 dns-tcp-queries-received-ipv6: 203767 dns-udp-responses-sent-ipv4: 2365388502 dns-udp-responses-sent-ipv6: 130176997 dns-tcp-responses-sent-ipv4: 4712616 dns-tcp-responses-sent-ipv6: 211205