--- service: j.root-servers.net start-period: '2013-10-03T00:00:00Z' end-period: '2013-10-03T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1902511580 dns-udp-queries-received-ipv6: 131823725 dns-tcp-queries-received-ipv4: 16544976 dns-tcp-queries-received-ipv6: 2120991 dns-udp-responses-sent-ipv4: 1896310202 dns-udp-responses-sent-ipv6: 131981665 dns-tcp-responses-sent-ipv4: 15671619 dns-tcp-responses-sent-ipv6: 81237