--- version: rssac002v3 service: j.root-servers.net start-period: '2018-05-16T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4986050125 dns-udp-queries-received-ipv6: 434840488 dns-tcp-queries-received-ipv4: 301063651 dns-tcp-queries-received-ipv6: 17310028 dns-udp-responses-sent-ipv4: 4774288784 dns-udp-responses-sent-ipv6: 433788960 dns-tcp-responses-sent-ipv4: 217385944 dns-tcp-responses-sent-ipv6: 17369842