--- version: rssac002v3 service: j.root-servers.net start-period: '2019-05-27T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7875382400 dns-udp-queries-received-ipv6: 1380933372 dns-tcp-queries-received-ipv4: 760712834 dns-tcp-queries-received-ipv6: 85612785 dns-udp-responses-sent-ipv4: 7149498886 dns-udp-responses-sent-ipv6: 1337081674 dns-tcp-responses-sent-ipv4: 537302920 dns-tcp-responses-sent-ipv6: 65343044