--- service: a.root-servers.net start-period: '2014-05-30T00:00:00Z' end-period: '2014-05-30T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1590942363 dns-udp-queries-received-ipv6: 117537234 dns-tcp-queries-received-ipv4: 9879247 dns-tcp-queries-received-ipv6: 1156253 dns-udp-responses-sent-ipv4: 1590733366 dns-udp-responses-sent-ipv6: 117477793 dns-tcp-responses-sent-ipv4: 9917823 dns-tcp-responses-sent-ipv6: 102472