--- service: j.root-servers.net start-period: '2015-02-08T00:00:00Z' end-period: '2015-02-08T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2955581105 dns-udp-queries-received-ipv6: 269059345 dns-tcp-queries-received-ipv4: 25637384 dns-tcp-queries-received-ipv6: 4641928 dns-udp-responses-sent-ipv4: 2972394408 dns-udp-responses-sent-ipv6: 269053086 dns-tcp-responses-sent-ipv4: 25731458 dns-tcp-responses-sent-ipv6: 4576875