--- service: j.root-servers.net start-period: '2014-12-16T00:00:00Z' end-period: '2014-12-16T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3099600746 dns-udp-queries-received-ipv6: 231257974 dns-tcp-queries-received-ipv4: 30128498 dns-tcp-queries-received-ipv6: 5580022 dns-udp-responses-sent-ipv4: 3119218972 dns-udp-responses-sent-ipv6: 231214737 dns-tcp-responses-sent-ipv4: 30311384 dns-tcp-responses-sent-ipv6: 6496198