--- version: rssac002v3 service: j.root-servers.net start-period: '2019-07-11T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7318473673 dns-udp-queries-received-ipv6: 1236900682 dns-tcp-queries-received-ipv4: 482840104 dns-tcp-queries-received-ipv6: 101616591 dns-udp-responses-sent-ipv4: 6935616446 dns-udp-responses-sent-ipv6: 1170234760 dns-tcp-responses-sent-ipv4: 362676532 dns-tcp-responses-sent-ipv6: 70348740