--- service: j.root-servers.net start-period: '2015-03-22T00:00:00Z' end-period: '2015-03-22T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3090179077 dns-udp-queries-received-ipv6: 312284946 dns-tcp-queries-received-ipv4: 25651041 dns-tcp-queries-received-ipv6: 4593107 dns-udp-responses-sent-ipv4: 3094164004 dns-udp-responses-sent-ipv6: 312254500 dns-tcp-responses-sent-ipv4: 25389216 dns-tcp-responses-sent-ipv6: 3911269