--- service: j.root-servers.net start-period: '2016-01-05T00:00:00Z' end-period: '2016-01-05T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3700269661 dns-udp-queries-received-ipv6: 526108170 dns-tcp-queries-received-ipv4: 74815655 dns-tcp-queries-received-ipv6: 2021079 dns-udp-responses-sent-ipv4: 3633870066 dns-udp-responses-sent-ipv6: 527882988 dns-tcp-responses-sent-ipv4: 62455869 dns-tcp-responses-sent-ipv6: 277424