--- service: i.root-servers.net start-period: '2014-01-31T00:00:00Z' end-period: '2014-02-01T00:00:05Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2338882141 dns-udp-queries-received-ipv6: 157214190 dns-tcp-queries-received-ipv4: 5023567 dns-tcp-queries-received-ipv6: 263382 dns-udp-responses-sent-ipv4: 2284357780 dns-udp-responses-sent-ipv6: 157402633 dns-tcp-responses-sent-ipv4: 5015011 dns-tcp-responses-sent-ipv6: 267914