--- service: i.root-servers.net start-period: '2014-03-07T00:00:00Z' end-period: '2014-03-08T00:00:09Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2632550189 dns-udp-queries-received-ipv6: 177438211 dns-tcp-queries-received-ipv4: 5351513 dns-tcp-queries-received-ipv6: 306386 dns-udp-responses-sent-ipv4: 2575571465 dns-udp-responses-sent-ipv6: 177536180 dns-tcp-responses-sent-ipv4: 5379502 dns-tcp-responses-sent-ipv6: 310104