--- service: j.root-servers.net start-period: '2014-02-14T00:00:00Z' end-period: '2014-02-14T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2771254631 dns-udp-queries-received-ipv6: 220944053 dns-tcp-queries-received-ipv4: 21184931 dns-tcp-queries-received-ipv6: 5394002 dns-udp-responses-sent-ipv4: 2762002561 dns-udp-responses-sent-ipv6: 220931035 dns-tcp-responses-sent-ipv4: 20526321 dns-tcp-responses-sent-ipv6: 622