--- version: rssac002v3 service: j.root-servers.net start-period: '2019-06-25T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7865277277 dns-udp-queries-received-ipv6: 1353712434 dns-tcp-queries-received-ipv4: 579560171 dns-tcp-queries-received-ipv6: 81326803 dns-udp-responses-sent-ipv4: 7228815174 dns-udp-responses-sent-ipv6: 1306552935 dns-tcp-responses-sent-ipv4: 416383853 dns-tcp-responses-sent-ipv6: 58881795