--- service: i.root-servers.net start-period: '2015-11-01T00:00:00Z' end-period: '2015-11-02T00:00:01Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3814982731 dns-udp-queries-received-ipv6: 296030042 dns-tcp-queries-received-ipv4: 36987684 dns-tcp-queries-received-ipv6: 498513 dns-udp-responses-sent-ipv4: 3766910363 dns-udp-responses-sent-ipv6: 301109925 dns-tcp-responses-sent-ipv4: 37004008 dns-tcp-responses-sent-ipv6: 501723