--- service: i.root-servers.net start-period: '2014-11-07T00:00:00Z' end-period: '2014-11-08T00:00:01Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3253930099 dns-udp-queries-received-ipv6: 226402373 dns-tcp-queries-received-ipv4: 6950280 dns-tcp-queries-received-ipv6: 171664 dns-udp-responses-sent-ipv4: 3196066776 dns-udp-responses-sent-ipv6: 226356712 dns-tcp-responses-sent-ipv4: 7078649 dns-tcp-responses-sent-ipv6: 169137