--- service: i.root-servers.net start-period: '2014-11-01T00:00:00Z' end-period: '2014-11-02T00:00:02Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2692179567 dns-udp-queries-received-ipv6: 208167438 dns-tcp-queries-received-ipv4: 6386187 dns-tcp-queries-received-ipv6: 151003 dns-udp-responses-sent-ipv4: 2642802501 dns-udp-responses-sent-ipv6: 208158078 dns-tcp-responses-sent-ipv4: 6481973 dns-tcp-responses-sent-ipv6: 151789