--- version: rssac002v3 service: j.root-servers.net start-period: '2018-04-20T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5195229122 dns-udp-queries-received-ipv6: 406079800 dns-tcp-queries-received-ipv4: 206238266 dns-tcp-queries-received-ipv6: 18058809 dns-udp-responses-sent-ipv4: 5091094320 dns-udp-responses-sent-ipv6: 403347746 dns-tcp-responses-sent-ipv4: 173599313 dns-tcp-responses-sent-ipv6: 18100878