--- service: j.root-servers.net start-period: '2014-01-22T00:00:00Z' end-period: '2014-01-22T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3026711417 dns-udp-queries-received-ipv6: 213078547 dns-tcp-queries-received-ipv4: 25289778 dns-tcp-queries-received-ipv6: 3931217 dns-udp-responses-sent-ipv4: 2983434771 dns-udp-responses-sent-ipv6: 213091258 dns-tcp-responses-sent-ipv4: 24465520 dns-tcp-responses-sent-ipv6: 235