--- service: j.root-servers.net start-period: '2017-01-12T00:00:00Z' end-period: '2017-01-12T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6586377815 dns-udp-queries-received-ipv6: 631673988 dns-tcp-queries-received-ipv4: 203874566 dns-tcp-queries-received-ipv6: 15547603 dns-udp-responses-sent-ipv4: 6364293427 dns-udp-responses-sent-ipv6: 636137304 dns-tcp-responses-sent-ipv4: 193809106 dns-tcp-responses-sent-ipv6: 15640336