--- service: a.root-servers.net start-period: '2014-10-14T00:00:00Z' end-period: '2014-10-14T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2762951873 dns-udp-queries-received-ipv6: 177824484 dns-tcp-queries-received-ipv4: 18583595 dns-tcp-queries-received-ipv6: 2046289 dns-udp-responses-sent-ipv4: 2757166637 dns-udp-responses-sent-ipv6: 177804816 dns-tcp-responses-sent-ipv4: 17174741 dns-tcp-responses-sent-ipv6: 1226659