--- service: a.root-servers.net start-period: '2014-03-30T00:00:00Z' end-period: '2014-03-30T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1982478257 dns-udp-queries-received-ipv6: 81312148 dns-tcp-queries-received-ipv4: 10073975 dns-tcp-queries-received-ipv6: 894969 dns-udp-responses-sent-ipv4: 1981882289 dns-udp-responses-sent-ipv6: 81285355 dns-tcp-responses-sent-ipv4: 10126150 dns-tcp-responses-sent-ipv6: 110