--- version: rssac002v3 service: j.root-servers.net start-period: '2019-05-12T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6994054725 dns-udp-queries-received-ipv6: 1165423911 dns-tcp-queries-received-ipv4: 660027685 dns-tcp-queries-received-ipv6: 75295622 dns-udp-responses-sent-ipv4: 6420779066 dns-udp-responses-sent-ipv6: 1120821037 dns-tcp-responses-sent-ipv4: 459765222 dns-tcp-responses-sent-ipv6: 55854927