--- version: rssac002v3 service: j.root-servers.net start-period: '2019-05-14T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7584972212 dns-udp-queries-received-ipv6: 1251805592 dns-tcp-queries-received-ipv4: 679798190 dns-tcp-queries-received-ipv6: 73604044 dns-udp-responses-sent-ipv4: 6893791532 dns-udp-responses-sent-ipv6: 1207455599 dns-tcp-responses-sent-ipv4: 473487108 dns-tcp-responses-sent-ipv6: 54004962