--- service: i.root-servers.net start-period: '2014-11-12T00:00:00Z' end-period: '2014-11-13T00:00:01Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3279858129 dns-udp-queries-received-ipv6: 224761751 dns-tcp-queries-received-ipv4: 7050794 dns-tcp-queries-received-ipv6: 189412 dns-udp-responses-sent-ipv4: 3222420519 dns-udp-responses-sent-ipv6: 224647248 dns-tcp-responses-sent-ipv4: 7221027 dns-tcp-responses-sent-ipv6: 190044