--- version: rssac002v3 service: j.root-servers.net start-period: '2018-06-19T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5305603354 dns-udp-queries-received-ipv6: 520611551 dns-tcp-queries-received-ipv4: 256327067 dns-tcp-queries-received-ipv6: 18647174 dns-udp-responses-sent-ipv4: 5112178771 dns-udp-responses-sent-ipv6: 514734363 dns-tcp-responses-sent-ipv4: 203235136 dns-tcp-responses-sent-ipv6: 18619533