--- service: j.root-servers.net start-period: '2013-10-31T00:00:00Z' end-period: '2013-10-31T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2372566750 dns-udp-queries-received-ipv6: 169244325 dns-tcp-queries-received-ipv4: 22815292 dns-tcp-queries-received-ipv6: 3430801 dns-udp-responses-sent-ipv4: 2366256964 dns-udp-responses-sent-ipv6: 169227065 dns-tcp-responses-sent-ipv4: 20056618 dns-tcp-responses-sent-ipv6: 234998