--- version: rssac002v3 service: j.root-servers.net start-period: '2019-05-26T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7388835025 dns-udp-queries-received-ipv6: 1314342170 dns-tcp-queries-received-ipv4: 738579699 dns-tcp-queries-received-ipv6: 89398630 dns-udp-responses-sent-ipv4: 6712936861 dns-udp-responses-sent-ipv6: 1271202776 dns-tcp-responses-sent-ipv4: 517735755 dns-tcp-responses-sent-ipv6: 69547911